Metals and Non-Metals class 10 Chapter 3, Most Important MCQ
Question:1 The metals which we can cut with a knife is
- Sodium
- Silver
- Gold
- Platinium
Question:2 The most ductile metal is
- Aluminium
- silver
- gold
- lead
Question;3 The poorest conductor of heat is
- aluminium
- gold
- silver
- lead
Question:4 The process of forming a thick layer of oxide on aluminium surface is called
- Anoding
- catenation
- bessimerisation
- Galvanisation
Question:5 Aqua ragia is a mixture of concentrated
- hydrochloric and sulphuric acid
- Nitric and sulphuric acid
- hydrochloric and nitric acid
- nitric and acetic acid
Question;6 which of the following is a amphoteric oxide
- sodium oxide
- Zinc oxide
- magnesium oxide
- Potassium oxide
Question:7 The ability of a metal to change into thin sheets on hammering is called
- Sonorous
- malleability
- Ductility
- Conductivity
Question:8 The metal that react with cold water
- Mercury
- Sodium
- Zinc
- Tungsten
Question:9 The process of extraction of metal from its ores is known as
- Concentration
- Calcination
- Purification
- Metallurgy
Question:10 The Non metal which is a good conduct of electricity is
- Boron
- Graphite
- sulphur
- arsenic
Question:11 Metals do not form hydrogen gas reacting with
- Hydrochloric acid
- Nitric acid
- Sulphuric acid
- all the above
Question:12 Generally Non metals are not Lustrous the non metal having lustre is
- Oxygen
- Bromine
- Sulphur
- Iodine
Question:13 The element other than mercury which is found is liquid state is
- Copper
- Magnesium
- Bromine
- Chlorine
Question:14 During electroly refining of metal, metal
- Deposites on cathode
- deposites on anode
- deposites on both
- Remains in the solution
Question:15 silver articles becomes black on exposer to air due to formation of
- Silver nitrate
- silver nitrate
- silver Sulphide
- None of the above
Question:16 which of the given properties is generally not shown by metals?
- Electrical Conduction
- Sonorous in nature
- Dullness
- Ductility
Question:17 The ability of metals to be drawn into thin wire is known as
- Ductility
- Malleability
- Sonorousity
- Conductivity
Question;18 which one of the given metals does not react with cold as well as hot water?
- Na
- Ca
- Mg
- Fe
Question:19 which of the given oxide (S) of iron would be obtained on prolonged reaction of iron with steam?
- FeO
- Fe2O3
- Fe3O4
- 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 )?
- H2SO4
- HCI
- HNO3
- All the these
Answers
Q.NO | Answers | Q.No | Answers |
1 | A | 11 | B |
2 | C | 12 | B |
3 | D | 13 | C |
4 | A | 14 | A |
5 | C | 15 | C |
6 | B | 16 | C |
7 | B | 17 | A |
8 | B | 18 | D |
9 | D | 19 | C |
10 | B | 20 | C |