MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is rancidity? State two ways to prevent rancidity of food items.

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 18
What is corrosion? Write the reaction taking place during the corrosion of iron stating the conditions required? State two ways of preventing corrosion.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 19

Write the balanced chemical equations for the following and identify the type of reaction:
Magnesium (s) + Hydrochloric acid (aq) → Magnesium chloride (aq) + Hydrogen (g).

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 19
Write the balanced chemical equations for the following and identify the type of reaction.
Zinc carbonate (s) + Hydrochloric acid (aq) → Zinc oxide (s) + Carbon dioxide (g).
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 19
Fe2O3+2Al→Al2O3+2Fe
This reaction involves what type of reaction? Explain, giving reason.
MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 20
What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride?
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 20
Write a balanced chemical equation for the reaction of sodium sulphate with an aqueous solution of barium chloride.
EASY
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 20

State the physical conditions of the reactants for the reaction of an aqueous solution of sodium sulphate with an aqueous solution of barium chloride.

MEDIUM
10th CBSE
IMPORTANT
NEW ERA CHEMISTRY Textbook for Class X>Chapter 1 - Chemical Reactions and Equations>MOCK TEST>Q 20
Name the type of chemical reaction which occurs, when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride.