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Metals and Non Metals Quiz

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Metals and Non Metals Quiz

Metals and Non Metals Quiz

shape Introduction

Metals and Non Metals is an important topic in several competitive exams. A Metal is a opaque, lustrous element that is a good conductor of heat and electricity. Most elements are metals. Metals are characterized by high electrical &thermal conductivity as well as by malleability, ductility, and high reflectivity of light. The most commonly found metals are aluminum, iron, calcium, sodium, potassium, and magnesium. Most metals are solid at room temperature, however, this is not always the case. Mercury is liquid. Alloys are mixtures, where at least one part of the mixture is a metal. Examples of metals are aluminium, copper, iron, tin, gold, lead, silver, titanium, uranium, and zinc. Well-known alloys include bronze and steel.
A NonMetal is a chemical element that mostly lacks the characteristics of a metal. Physically, a nonmetal tends to have a relatively low melting point, boiling point, and density. A nonmetal is typically brittle when solid and usually has poor thermal conductivity and electrical conductivity
Metals:
  • Metals are good conductors of heat & electricity and are malleable and ductile.

  • Gold and silver are most malleable and best ductile metals.

  • Silver is the best conductor of heat followed by copper.

  • Aluminium and copper are good conductors of heat that’s why cooking utensils are made of them.

  • Mercury offers high resistance to the ow of electric current.

  • Sodium and potassium are so soft that they can be easily cut with knife.

  • Metals are electropositive in nature.

  • Almost all the metal oxide are basic in nature but zinc oxide and aluminium oxide are amphoteric.

Alkali metals and their compounds:
  • Metals of 1st group are alkali metals.

  • This group lies in the s-block of the periodic table of elements as all alkali metals have their outermost electron in an s-orbital.

  • Lithium, sodium, potassium, rubidium and cesium are alkali metals.

  • These metals are stored under kerosene or liquid parafn’s to protect them from action of air.

Sodium Chloride (NaCl):
  • Commonly known as table salt

  • Used in the manufacturing of sodium hydroxide and chlorine gas.

  • It is used as a starting material in the manufacturing of caustic soda.

  • It is used in the removing of ice from road, now a- days [latex]CaCl_{2}[/latex] and [latex]MgCl_{2}[/latex] are also used for this purpose.

Sodium Hydroxide (NaOH):
  • Used in the rening of bauxite material.

  • Used in soap, dyes and articial industries.

Sodium Bicarbonate ([latex]NaHCO_{3}[/latex] )[/latex]:
  • It is commonly known as baking soda.

  • Used for wool washing.

  • Used in the re extinguisher.

Sodium Carbonate ([latex]Na_{2} CO_{3}[/latex] ):
    1. It is commonly known as washing soda. 2. Used for softening of hard water. 3. Mixture of sodium carbonate and potassium carbonate is known as Fusion mixture.

Sodium Sulphate:
  • It is commonly known as Glauber’s salt.

  • It is used as purgative.

Sodium Thiosulphate:
  • It is commonly known as Hypo and used in the photography as xing agent.

Potassium Carbonate:
  • It is known as pearl ash.

Potassium hydroxide:
  • Commonly known as caustic potash.

  • Use in the preparation of soft soap.

  • Its aqueous solution is known as potash Iye.

Potassium Superoxide: Used in space capsules, submarines and breathing mask as it removes in carbon dioxide and carbon monoixide.
Alkaline Earth Metals and their compounds: The alkaline earth metals are six elements in column (group) 2 of the Periodic table. They are beryllium (Be),magnesium(Mg),calcium (Ca), strontium (Sr),barium (Ba), and radium (Ra).They have very similar properties: they are all shiny, silvery-white, somewhat reactive metal at same temperature and pressure. Mg(OH ) is known as milk of magnesia and use as an antacid.
Calcium Oxide:
  • It is also known as quick lime.

  • Used in the manufacturing of calcium chloride, cement and bleaching powder.

The compound exists in three levels of hydration:
  • anhydrous state (mineral name: "anhydrite") with the formula [latex]CaSO_{4}[/latex]

  • dihydrate (mineral name: "gypsum") with the formula [latex]CaSO_{4}[/latex] ([latex]H_{2} O[/latex])2
    • .
  • hemihydrate with the formula [latex]CaSO_{4}[/latex] ([latex]H_{2} O[/latex])0.5

  • It loses a part of water to form plaster of Paris.

  • Plaster of Paris is a white powder which becomes hard on contact with water and is used in the manufacturing of statues.
  • Some Important Metals & Their Uses

Aluminium (Al):
  • Ore of aluminium is bauxite.

  • It is the third most abundant element in the earth’s crust.

  • Used in the manufacturing of cooking utensils.

  • Ammonal , a mixture of aluminium powder and ammonium nitrate is used as an explosive.

Tin:
  • The ore of tin is Cassiterite.

  • The process of converting white tin to grey tin is known as tin disease or tin plague.

  • Used in plating of iron to protect the iron from rusting.

  • Tin amalgam is used in the manufacturing of mirrors.

Lead(Pb)
  • Main ore of lead is galena.

  • Use in the preparation of sulphuric acid through chamber process.

  • Lead acetate is known as sugar of lead.

Zinc(Zn):
  • It is used in the galvanisation process to prevent the rusting of iron.

  • Zinc sulphide is used in the preparation of X-ray screens.

  • Zinc oxide is known as philosopher wool.

Mercury(Hg):
  • It is the only metal which is liquid at room temperature.

  • It forms alloys with all other metal except iron and platinum.

Nickel(Ni):
  • Silvery white soft metal.

  • Used as anode in Edison batteries.

Iron(Fe):
  • Extracted from the haematite ore and do not occur in Free State due to its reactivity.

  • Ferric chloride is used as stypic to stop bleeding from the cut.

  • Ferrous sulphate is used in making blue black ink.

Stainless steel:
  • It is an alloy of iron, chromium and nickel.

  • Used in making automobiles parts and utensils

shape Quiz

Metals and Non Metals Quiz
1. The most abundant metal in the earth’s crust is - A. iron B. copper C. aluminium D. mercury Ans: C
2. The only metal that is liquid at room temperature is - A. mercury B. sodium C. zinc D. tungsten Ans: A
3. Chemically rust is A. hydrated ferric oxide only B. hydrated ferrous oxide only C. ferric oxide only D. ferrous oxide only Ans: A
4. Alumina is chief ore of which of the following metal? A. Na B. K C. Ca D. Al Ans: D
5. Horn silver is A. an oxide ore of silver B. a sulphite ore of silver C. a carbonate ore of silver D. a chloride ore of silver Ans: D
6. Naturally occurring substances from which a metal can be profitably (or economically) extracted are called? A. Minerals B. Ores C. Gangue D. Salts Ans: B
7. Cinnabar is an ore of A. Hg B. Cu C. Pb D. Zn Ans: A
8. Which of the following is not an ore ? A. Bauxite B. Malachite C. Zinc blende D. Pig iron Ans: D
9. Which of the following mineral does not contain Al ? A. Cryolite B. Mica C. Feldspar D. Fluorspar Ans: D
10. Formula of magnetite is A. Fe2O3 B. FeS2 C. FeCO3 D. Fe3O4 Ans: D
11. Which ore contains both iron and copper? A. Cuprite B. Chalcocite C. Chalcopyrite D. Malachite Ans: C
12. Calcination is the process of heating the ore A. in a blast furnace B. in absence of air C. in presence of air D. none of these Ans: B
13. Which of the following is an oxide ore? A. Bauxite B. Cuprite C. Haematite D. All of these Ans: B
14. Removal of impurities from ore is known as - A. crushing and grinding B. concentration of ore C. calcination D. roasting Ans: B
15. Which reducing agent is used in chemical reduction? A. C B. C O C. Al D. All of these Ans: D
16. Aluminium is used in thermite welding because - A. aluminium is a light metal B. aluminium has more affinity for oxygen C. aluminium is a strong oxidizing agent D. aluminium is a reactive metal Ans: B
17. The process of extraction of metal from its ores, is known as A. concentration B. calcination C. purification D. metallurgy Ans: D
18. The process to heat the ore in the presence of excess supply of air below its melting point is called A. roasting B. calcination C. smelting D. liquidation Ans: A
19. Brass is a mixture of A. copper and zinc B. copper and tin C. copper, nickel and zinc D. aluminium, copper and traces of Mg and Mn Ans: A
20. Sodium is obtained by the electrolysis of A. an aqueous solution of sodium chloride B. an aqueous solution of sodium hydroxide C. fused sodium chloride D. fused sodium sulphate Ans: C
21. The chief ore of aluminium is A. bauxite B. cryolite C. alunite D. feldspar Ans: A
22. One of the constituents of amalgam is A. aluminium B. copper C. iron D. mercury Ans: D
23. The metal used to built bridges is A. gold B. silver C. platinum D. iron Ans: D
24. Which of the following is a good conductors of heat and electricity? A. Graphite B. Oxygen C. Chlorine D. Nitrogen Ans: A
25. Metals are A. malleable B. ductile C. Both A and B D. Neither A nor B Ans: C
26. Which of the following have low melting and boiling points? A. Phosphorus B. Sodium C. Iron D. Both a and b Ans: D
27. Which of the following non-metals has shining lustrous surfaces? A. Graphite and phosphorus B. Graphite and iodine C. Iodine and phosphorus D. Phosphorus and chlorine Ans: B
28. Metals like Gold, Platinum which do not easily react are called A. active metals B. dull metals C. noble metals D. bright metals Ans: C
29. The metalloids include the elements A. Boron, Silicon B. Arsenic, Antimony C. Germanium, Tellurium D. All of these Ans: A
30. Select the property that is associated with non-metals. A. Low density B. Low melting point C. Poor conductor of electricity D. All of the above Ans: D
31. Which of the following non-metals sublimes on heating ? A. Fluorine B. Chlorine C. Bromine D. Iodine Ans: D
32. Which of the following statement regarding metals is true? A. All metals are solid in nature. B. Metals can be used to make handle of cooking utensils C. Generally most of metals have high melting and boiling points. D. Gold is used generally to make electrical wire Ans: C
33. Which of the following statement is false? A. Metals are good conductors of heat and electricity. B. Gold, Silver and Zinc are most malleable metals. C. Mercury is the only liquid metal. D. Bromine is the only liquid non-metal. Ans: B
34. Which of the following statement regarding non-metals is true? A. Non-metals are of two types only solids and gases. B. Non-metals reacts with oxygen to form basic oxides generally. C. Non-metals are non-lustrous with dull appearance. Graphite, an allotrope of carbon and iodine have shining lustrous surfaces. D. Non-metals replace hydrogen from acids. Ans: C
35. Which of the following statements regarding non-metals is false? A. 11 non-metals are in gaseous state. B. Gas carbon is a good conductor of heat and electricity. C. The black material inside a pencil is metal lead. D. All non-metals are non-sonorous in nature. Ans: C
36. Consider the following elements: (i) Copper (ii) Gold (iii) Platinum (iv) Silver Which of the above elements exist free in nature? A. (i) and (ii) B. (ii) and (iii) C. (i), (ii) and (iv) D. (iii) and (iv) Ans: C
37. Consider the following statements: Nitrogen is an essential constituent of (i) soils (ii) animals (iii) plants Which of the statements given above is/are correct ? A. (iii) only B. (i) and (iii) only C. (i) and (ii) only D. (i), (ii) and (iii) Ans: D
38. When iron is left exposed in open air, it gets rusted. Which constituent(s) of air is /are responsible for rusting iron? (i) Oxygen gas present in air (ii) Moisture present in air (iii) Carbon dioxide gas present in air Select the correct answer using the code given below : A. (i) only B. (ii) only C. (i) and (ii) D. (ii) and (iii) Ans: C
39. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same ? (i) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point A. (i) and (ii) B. (i) and (iii) C. (ii) and (iii) D. (i) and (iv) Ans: D
40. Silicon is used in – A. solar energy devices B. semiconductors C. transistors D. all of these Ans: D
41. Which of the following is not a atomic characteristics of metal – A. malleable B. electropositive nature C. ductile D. none of these Ans: D
42. Pure gold is – A. 24 carats B. 22 carats C. 20 carats D. 18 carats Ans: A
43. What is anode mud – A. fan of anode B. metal of anode C. impurities collected at anode in electrolysis during purification of metals D. all of these Ans: C
44. The best mealleable metal is – A. aluminium B. silver C. gold D. lead Ans: C
45. German silver is a mixture of – A. copper and zinc B. copper and tin C. copper, nickel and zinc D. aluminium, copper and traces of Mg and Mn. Ans: C
46. Graphite is a/an – A. alloy B. metal C. metalloid D. non-metal Ans: D
47. Which of the following metals constitutes the alloy magnalium – A. Al, Cu B. Al, Fe C. Al, Mg D. Al, Mn Ans: C
48. In a displacement reaction, Aluminium can be removed from its compound by which of the following metals? A. Zn B. Cr C. Ni D. Ca Ans: D
49. Metals react with sodium hydroxide to produce. A. oxygen gas B. sodium C. water D. hydrogen gas Ans: D
50. Identify the metal which is found in nature in the free state? A. Lithium B. Sodium C. Aluminium D. Gold Ans: D
51. In a ame test, which of the following metals will produce brick red ames? A. Potassium B. Scandium C. Cadmium D. Boron Answer: C
52. Which of the following metals (shown by its symbol) is generally used for making laments of bulbs? A. Fe B. An C. Aq D. W Ans: D
53. Heavy metals got their names because compared to other atoms they have A. Higher densities B. Higher atomic masses C. Higher atomic numbers D. Higher atomic radii Ans: A
54. Which of the following metals can deposit copper from copper sulphate solution? A. Platinum B. Mercury C. Iron D. Gold Ans: C
55. Thermal conductivity of solid metals with rise in temperature normally A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature Ans: C
56. German silver, an alloy, does not contain the metal A. Nickel B. Zinc C. Copper D. Silver Ans: B
57. The noble gas used in radiotherapy is A. neon B. argon C. radon D. xenon Ans: D
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