EASY
10th CBSE
IMPORTANT
Earn 100

What is the colour of the precipitate formed when lead nitrate reacts with potassium iodide? (Yellow / White / Black)

72.43% studentsanswered this correctly

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 16
What happens during a chemical reaction?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 16
Does the atoms of one element change into another element during a chemical reaction?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 16
What are the precautions you should follow while performing an experiment of burning of magnesium ribbon?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 17
How do you indicate a solid, a liquid, an aqueous solution and a gas in a chemical equation?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 17
Differentiate between exothermic and endothermic reactions with an example each.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 18
Give a balanced chemical equation for the following:
Sodium hydroxide reacts with sulphuric acid to form sodium sulphate and water.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 18
Give a balanced chemical equation for the following:
Phosphorus burns in air to form phosphorus pentoxide.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 18
Give a balanced chemical equation for the following:
Carbon dioxide gas is passed through lime water to form calcium carbonate and water along with the evolution of heat.