Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: activity 4

Author:Tamil Nadu Board

Tamil Nadu Board Science Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: activity 4

Attempt the practice questions on Chapter 10: Matter Around Us, Exercise 1: activity 4 with hints and solutions to strengthen your understanding. Science Standard 9 solutions are prepared by Experienced Embibe Experts.

Questions from Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: activity 4 with Hints & Solutions

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>activity 1>Q 1

Is air a pure substance or mixture? Justify.

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>activity 1>Q 2

You must have seen brass statues in museums and places of worship. Brass is an alloy made up of approx. 30% zinc and 70% copper. Is brass a pure substance or a mixture or compound?

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>activity 4>Q 1

Identify whether the given substance is mixture or compound and justify your answer.1.Sand and water 2.Sand and iron filings 3. Concrete 4. Water and oil 5. Salad 6. Water 7. Carbon dioxide 8. Cement 9. Alcohol.