Metals and Non-metals MCQ Quiz

30 questions

1. The most malleable and ductile metals include

   1. iron
   2. gold and silver
   3. sodium
   4. zinc

2. The only metal liquid at room temperature is

   1. mercury
   2. gallium
   3. sodium
   4. bromine

3. Which non-metal is a good conductor of electricity?

   1. sulphur
   2. graphite
   3. phosphorus
   4. iodine

4. Aqua regia is a mixture of concentrated

   1. HCl:HNO3 = 1:3
   2. HCl:HNO3 = 3:1
   3. H2SO4:HNO3 = 3:1
   4. HCl:H2SO4 = 3:1

5. Aqua regia can dissolve

   1. iron
   2. gold and platinum
   3. zinc
   4. copper

6. Amphoteric oxides react with both

   1. water and air
   2. acids and bases
   3. metals and salts
   4. oxygen and nitrogen

7. The most abundant metal in the Earth's crust is

   1. iron
   2. aluminium
   3. calcium
   4. sodium

8. Ore of aluminium is

   1. haematite
   2. bauxite
   3. calamine
   4. cinnabar

9. Roasting is heating a sulphide ore

   1. in absence of air
   2. strongly in air
   3. with carbon
   4. with acid

10. Calcination is heating a carbonate ore

    1. in air
    2. in limited air/absence of air
    3. with water
    4. with acid

11. Galvanisation coats iron with

    1. tin
    2. zinc
    3. copper
    4. chromium

12. An alloy of copper and zinc is

    1. bronze
    2. brass
    3. solder
    4. steel

13. Which metal reacts vigorously with cold water?

    1. iron
    2. sodium
    3. copper
    4. gold

14. Ionic compounds conduct electricity in

    1. solid state
    2. molten/aqueous state
    3. gaseous state
    4. never

15. The reaction 2Al + Fe2O3 → Al2O3 + 2Fe is the

    1. roasting
    2. thermite reaction
    3. galvanisation
    4. electrolysis

16. In electrolytic refining, the pure metal deposits at the

    1. anode
    2. cathode
    3. electrolyte
    4. container

17. Metals that occur in native (free) state are

    1. Fe and Al
    2. Au and Ag
    3. Na and K
    4. Zn and Cu

18. Amalgam is an alloy containing

    1. iron
    2. mercury
    3. zinc
    4. lead

19. Non-metal that is lustrous is

    1. sulphur
    2. iodine
    3. carbon
    4. phosphorus

20. Property by which metals can be drawn into wires is

    1. malleability
    2. ductility
    3. sonority
    4. conductivity

21. Assertion: Sodium is stored in kerosene. Reason: It reacts vigorously with air and water.

    1. Both true, R explains A
    2. Both true, R not explanation
    3. A true, R false
    4. A false, R true

22. When a metal reacts with dilute acid, the gas produced burns with a

    1. pop sound
    2. rotten egg smell
    3. no sound
    4. green flame

23. Which metal does not react with dilute acids?

    1. magnesium
    2. copper
    3. zinc
    4. iron

24. The tendency of a metal to lose electrons makes it

    1. an oxidising agent
    2. a reducing agent
    3. inert
    4. non-reactive

25. Reactivity series: most reactive among these is

    1. copper
    2. potassium
    3. zinc
    4. iron

26. Sonority is the property of metals to

    1. be shiny
    2. produce ringing sound
    3. be beaten into sheets
    4. conduct heat

27. Which is refined by electrolytic refining?

    1. sodium
    2. copper
    3. potassium
    4. calcium

28. A metal used to make thermite for joining rails is

    1. zinc
    2. aluminium
    3. tin
    4. lead

29. Rusting of iron requires

    1. only air
    2. only water
    3. both air and moisture
    4. only heat

30. Ionic compounds generally have

    1. low melting points
    2. high melting points
    3. no melting point
    4. negative melting points

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