MEDIUM
10th ICSE
IMPORTANT
Earn 100

Give reason for the following:

Copper does not liberate hydrogen on heating with dil.H2SO4.

Important Questions on Metals and Non-metals

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 5

Give reason: Nonmetals, in general, do not displace hydrogen from dilute acids.

 

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 6
A copper plate was dipped into a solution of AgNO3. After some time, a black layer was deposited on the copper plate. State the reason for ti. Write the chemical equation for the reaction involved.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 7
Why is sodium chloride is soluble in water but not soluble in kerosene?
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 8

A, B, and C are three elements that undergo chemical reactions according to the following equations:

Question Image

Which element is the most reactive?

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 8

A, B, and C are three elements that undergo chemical reactions according to the following equations:

Question Image

Which element is the least reactive?

MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 8

A, B, and C are three elements that undergo chemical reactions according to the following equations:

Question Image

What is the type of reactions listed above?

EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9
Write the chemical equation for the reaction taking place when zinc carbonate is heated.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 3 - Metals and Non-metals>ASSESSMENT>Q 9
Write the chemical equation for the reaction taking place when cinnabar is heated in air.