MEDIUM
9th Tamil Nadu Board
IMPORTANT
Earn 100

A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?

Important Questions on Matter Around Us

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q v
Name the apparatus that you will use to separate the components of mixtures containing two miscible liquids.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q v
Name the apparatus that you will use to separate the components of mixtures containing two immiscible liquids.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q v

Name the components in each of the following mixtures.

i. Ice cream ii. Lemonade  iii. Air   iv.Soil

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vi
Which of the following are pure substances? Ice, Milk, Iron, Hydrochloric acid, Mercury, Brick and Water.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vi
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vi
You have just won a medal made of 22-carat gold. Have you just procured a pure substance or impure substance?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vi
How will you separate a mixture containing saw dust, naphthalene and iron filings?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vi
How are homogenous solutions different from heterogeneous solution? Explain with examples.