EASY
6th CBSE
IMPORTANT
Earn 100

Why is formation of salt solution a physical change?

Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
Why is burning of sugar a chemical change?
EASY
6th CBSE
IMPORTANT
How can you change a liquid state of matter to its solid state?
MEDIUM
6th CBSE
IMPORTANT
The water cycle is a series of reversible changes. Explain.
EASY
6th CBSE
IMPORTANT
Explain the difference between physical and chemical change.
MEDIUM
6th CBSE
IMPORTANT
A change involves energy. Explain giving an example.
EASY
6th CBSE
IMPORTANT

Study the change described below and answer the questions.
Hydrochloric acid + Sodium hydroxide  Table salt + Water

Is it a chemical or physical change?

EASY
6th CBSE
IMPORTANT

Study the change described below and answer the question.
Hydrochloric acid + Sodium hydroxide  Table salt + Water

How many substances take part in the change?

EASY
6th CBSE
IMPORTANT

Study the change described below and answer the questions.
Hydrochloric acid + Sodium hydroxide  Table salt + Water

Name these substances that are reactants.