EASY
10th CBSE
IMPORTANT
Earn 100

Why is hydrogen gas not evolved when most metal react with nitric acid?

Important Questions on Metals and Non-Metals

EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 11
Give two methods to prevent rusting of iron.
HARD
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 12
Explain with the help of a diagram, how copper metal can be refined? Label the important arrangement in the experimental set-up.
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13
A metal X is stored under kerosene. When a small piece of it is left open in the air, it catches fire. When the product formed is dissolved in water it turns red litmus blue.
Name the metal X.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13
A metal X is stored under kerosene. When a small piece of it is left open in the air, it catches fire. When the product formed is dissolved in water it turns red litmus blue.
Write the chemical equation for the reaction when it is exposed to air and when the product is dissolved in water.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13
A metal X is stored under kerosene. When a small piece of it is left open in the air, it catches fire. When the product formed is dissolved in water it turns red litmus blue.
Name a process by which X can be obtained from its molten chloride.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13

Give reason for the following:

Zinc is used in the galvanization of iron and not copper.

EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13

Give reason for the following:

Corrosion of aluminium is a blessing rather than a curse.

EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 3 - Metals and Non-Metals>MOCK TEST>Q 13

Give reason for the following:

Food cans are coated with tin rather than zinc.