Metals and Non metals [CBSE]class 10 chapter 3 Important MCQ’ Question and answers

Metals and Non-Metals class 10 Chapter 3, Most Important MCQ

Question:1 The metals which we can cut with a knife is

  1. Sodium
  2. Silver
  3. Gold
  4. Platinium

Question:2 The most ductile metal is

  1. Aluminium
  2. silver
  3. gold
  4. lead

Question;3 The poorest conductor of heat is

  1. aluminium
  2. gold
  3. silver
  4. lead

Question:4 The process of forming a thick layer of oxide on aluminium surface is called

  1. Anoding
  2. catenation
  3. bessimerisation
  4. Galvanisation

Question:5 Aqua ragia is a mixture of concentrated

  1. hydrochloric and sulphuric acid
  2. Nitric and sulphuric acid
  3. hydrochloric and nitric acid
  4. nitric and acetic acid

Question;6 which of the following is a amphoteric oxide

  1. sodium oxide
  2. Zinc oxide
  3. magnesium oxide
  4. Potassium oxide

Question:7 The ability of a metal to change into thin sheets on hammering is called

  1. Sonorous
  2. malleability
  3. Ductility
  4. Conductivity

Question:8 The metal that react with cold water

  1. Mercury
  2. Sodium
  3. Zinc
  4. Tungsten

Question:9 The process of extraction of metal from its ores is known as

  1. Concentration
  2. Calcination
  3. Purification
  4. Metallurgy

Question:10 The Non metal which is a good conduct of electricity is

  1. Boron
  2. Graphite
  3. sulphur
  4. arsenic

Question:11 Metals do not form hydrogen gas reacting with

  1. Hydrochloric acid
  2. Nitric acid
  3. Sulphuric acid
  4. all the above

Question:12 Generally Non metals are not Lustrous the non metal having lustre is

  1. Oxygen
  2. Bromine
  3. Sulphur
  4. Iodine

Question:13 The element other than mercury which is found is liquid state is

  1. Copper
  2. Magnesium
  3. Bromine
  4. Chlorine

Question:14 During electroly refining of metal, metal

  1. Deposites on cathode
  2. deposites on anode
  3. deposites on both
  4. Remains in the solution

Question:15 silver articles becomes black on exposer to air due to formation of

  1. Silver nitrate
  2. silver nitrate
  3. silver Sulphide
  4. None of the above

Question:16 which of the given properties is generally not shown by metals?

  1. Electrical Conduction
  2. Sonorous in nature
  3. Dullness
  4. Ductility

Question:17 The ability of metals to be drawn into thin wire is known as

  1. Ductility
  2. Malleability
  3. Sonorousity
  4. Conductivity

Question;18 which one of the given metals does not react with cold as well as hot water?

  1. Na
  2. Ca
  3. Mg
  4. Fe

Question:19 which of the given oxide (S) of iron would be obtained on prolonged reaction of iron with steam?

  1. FeO
  2. Fe2O3
  3. Fe3O4
  4. Fe2O3 and Fe3O4

Question:20 Generally metals react with acid to given salt and hydrogen gas, which of the given acids does not given hydrogen gas on reacting with metals ( Except Mn and Mg )?

  1. H2SO4
  2. HCI
  3. HNO3
  4. All the these
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