EASY
10th CBSE
IMPORTANT
Earn 100

What happens chemically when quicklime is added to water filled in a bucket?

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 4
Why should the magnesium ribbon be cleaned before burning in air?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 5
A chemical equation can be balanced easily by altering the formula of a reactant or product.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 6
What is wrong with the following chemical equation?
Mg+O⟶MgO
Correct and balance it.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 7
What does the symbol (aq) represent in a chemical equation?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 8
Why is photosynthesis considered an endothermic reaction?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 9
How will you indicate the following effect in a chemical equation?
 A solution made in water
 
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 9

How will you indicate the following effect in a chemical equation?

Exothermic reaction

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Very Short Answer Type Questions>Q 9

How will you indicate the following effect in a chemical equation?

Endothermic reaction