textbook exercises

Author:Tamil Nadu Board

Tamil Nadu Board Science Solutions for Exercise - textbook exercises

Simple step-by-step solutions to textbook exercises questions of Matter Around Us from Science Standard 9. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from textbook exercises with Hints & Solutions

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Which of the following are pure substances? Ice, Milk, Iron, Hydrochloric acid, Mercury, Brick and Water.

EASY
9th Tamil Nadu Board
IMPORTANT

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

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

How will you separate a mixture containing saw dust, naphthalene and iron filings?

MEDIUM
9th Tamil Nadu Board
IMPORTANT

How are homogenous solutions different from heterogeneous solution? Explain with examples.

HARD
9th Tamil Nadu Board
IMPORTANT

Write the differences between elements and compounds and give an example for each.

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Explain Tyndall effect and Brownian movement with suitable diagram.

HARD
9th Tamil Nadu Board
IMPORTANT

How is a mixture of common salt, oil and water separated? You can use a combination of different methods.