CBSE Questions for Class 10 Chemistry Metals And Non Metals Quiz 4 - MCQExams.com

The non-metal which is hard is :
  • sulphur
  • chlorine
  • graphite
  • diamond
Corrosion of metals can be prevented when contact between metal and .......... is cut off.
  • Nitrogen
  • Hydrogen
  • Oxygen
  • Carbon
Which metals react with cold water?
  • Sodium, calcium, potassium
  • Iron, calcium, magnesium
  • Iron, sodium, magnesium
  • Silver, sodium, magnesium
Metal which does not react even with steam is :
  • potassium
  • iron
  • aluminium
  • silver
Which does not react with dilute hydrochloric acid?
  • Copper
  • Zinc
  • Iron
  • Mercury
Which among the following is a non-metal?
  • Bromine
  • Zinc
  • Sodium
  • Iron
To protect iron from corrosion and rust, it is coated by:
  • Tin
  • Copper
  • Zinc
  • Mercury
When dilute hydrochloric acid is added to granulated zinc placed in a test tube, the observation made is _____________.
  • the surface of the metal turns hining
  • the reaction mixture turns milky
  • odour of chlorine is observed
  • a colourless and odourless gas evolves with bubbles
A small piece of silver is placed in a solution containing both magnesium nitrate and copper (II) nitrate. Which one of the following occurs?
  • No reaction takes place
  • The silver dissolves and only copper is seen
  • The silver dissolves and only magnesium is seen
  • A mixture of magnesium and copper forms on the silver
Different techniques are used for obtaining the metals falling in each category. The metals high up in the reactivity series are obtained by:
  • reduction with carbon
  • electrolytic reduction
  • reduction by heating
  • displacement reaction
Which of the following methods is suitable for preventing an iron vessel from rusting ?
  • Applying grease
  • Applying paint
  • Applying a coat of zinc
  • All of the above.
When sodium reacts with cold water, then the product formed will be:
  • $$Na_2O$$
  • $$NaOH$$
  • $$Na_2CO_3$$
  • all of these
The electronic configuration of two elements $$X$$ and $$Y$$ are given below:
$$X = 2, 8 ,2$$
$$Y = 2, 8, 7$$
The formula of a compound that can be formed between these two elements is:
  • $$X Y$$
  • $$X  { Y }_{ 2 }$$
  • $$ { X }_{ 2 }Y$$
  • $$X { Y }_{ 3 }$$
Calcium is stored in kerosene.
  • True
  • False
Find the odd one out from the following set of metals.

(1) Copper
(2) Mercury
(3) Iron
(4) Zinc
  • Copper
  • Mercury
  • Iron
  • Zinc
Which one of the following configurations represents metallic character?
  • 2, 8, 2
  • 2, 8, 4
  • 2, 8, 7
  • 2, 8, 8
Which of the following statement is incorrect?
  • Metals like $$Cu, Ag, Au$$ cannot displace $$H$$ from acids
  • In reactivity series metals are arranged in order of increasing reactivity
  • Silver cannot displace $$Cu$$ from $$CuSO_4$$
  • Zinc displaces $$Cu$$ from $$CuSO_4$$
Why are non-metals poor conductors of electricity?
  • They have high melting point
  • They are brittle 
  • They do not have free electrons
  • All of above
Which of the following methods is employed to prevent rusting?
  • Refining
  • Alloying
  • Greasing
  • both (b) and (c)
At room temperature an example of a liquid metal is ______and that of a liquid non-metal is______ .
  • gallium, mercury
  • mercury, chlorine
  • mercury, bromine
  • bromine, mercury
Magnesium displaces hydrogen from dilute sulphuric acid.
  • True
  • False
Sodium is a:
  • silvery white and very soft metal.
  • colourless and hard metal.
  • silvery white and very hard metal.
  • colourless and very soft metal.
Zinc $$+$$ Hydrochloric acid $$\rightarrow$$
  • Zinc chloride + Hydrogen
  • Zinc + chlorine + Hydrogen
  • Zinc + Hydrogen
  • Zinc
The negative and positive ions are held by _________ of attraction.
  • negative force
  • positive force
  • electrostatic force
  • none of the above
State True or False.

Non-metals are good conductors of heat.
  • True
  • False
Which of the following is the only liquid metal which is a poor conductor of heat, but a fair conductor of electricity?
  • Copper
  • Calcium
  • Mercury
  • Rhodium
When zinc reacts with dilute hydrochloric acid, the gas evolved is:
  • hydrogen
  • chlorine
  • hydrogen chloride
  • none of these
Which of the following when stretched would break into pieces?
  • Aluminium
  • Phosphorus
  • Iron
  • Calcium
Copper occurs as a/an _________.
(a) oxide ore   (b) halide ore   (c) carbonate ore   (d) sulphide ore
  • a, b
  • a, c
  • b, c
  • a, d
Mark the correct option:
a) Pure metal from the electrolyte is deposited at the anode.
b) The soluble impurities go into the solution.
c) Insoluble impurities are known as anode mud.
  • a, b
  • b, c
  • a, c
  • All statements are correct
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 10 Chemistry Quiz Questions and Answers