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

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