MEDIUM
10th CBSE
IMPORTANT
Earn 100

Name the type of chemical reaction which occurs, when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride. 

Important Questions on Chemical Reactions and Equations

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 20

The reaction of an aqueous solution of sodium sulphate with an aqueous solution of barium chloride is a double displacement reaction. Give one more example for double displacement reaction.

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 21
A brown substance 'X' on heating in air forms a substance 'Y'. When hydrogen gas is passed over heated 'Y', it again changes back into 'X'.
(a) Name the substances X and Y.
(b) Name the chemical processes occurring during the two changes.
(c) Write the chemical equations.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 22
Why does the colour of copper sulphate solution change when an iron nail is kept immersed?
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 23
Name the products formed on strongly heating ferrous sulphate crystals. What kind of reaction takes place when ferrous sulphate crystals are strongly heated?
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 24
What do you observe when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride? Name the type of chemical reaction which occurs.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 25
What do you observe quick lime is added to water?
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 26
What would you observe when zinc is added to a solution of iron (II) sulphate? Name the type of reaction.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 27
Can we stir silver nitrate solution with a copper spoon? Explain