EASY
10th CBSE
IMPORTANT
Earn 100

Define roasting.

Important Questions on Metals and Non-Metals

EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 15
Name two metals which do not react with oxygen.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 16
Explain why the surface of some metals acquire a dull appearance when exposed to air for a long time.
MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 17
What would happen if zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 18
Define corrosion.
EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 1

Explain why metals are good conductors of heat and electricity.

EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 1

Explain why metals are generally malleable and ductile?

MEDIUM
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 2

What is meant by a reactive series of metals? Arrange the following metals in the increasing order of their reactivity towards water:

Zinc, iron, magnesium, sodium

EASY
10th CBSE
IMPORTANT
MODERN'S ABC+ OF SCIENCE CHEMISTRY>Chapter 3 - Metals and Non-Metals>Revision Exercise>Q 3
You are provided with an impure rod of copper. How will you make it pure?