Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise 6.1

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise 6.1

Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 1: Exercise 6.1 with hints and solutions to strengthen your understanding. Exam Guru Science solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise 6.1 with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

Why is melting of ice considered a physical change?

MEDIUM
7th CBSE
IMPORTANT

Why does a slice of apple get a brown colour if kept in air for a long time?

MEDIUM
7th CBSE
IMPORTANT

How can it be shown that setting of curd is a chemical change?

MEDIUM
7th CBSE
IMPORTANT

Explain why cutting of wood and burning of wood are said to be two different types of changes?

MEDIUM
7th CBSE
IMPORTANT

When baking soda is mixed with lemon juice, bubbles are formed with evolution of a gas. What type of change is it? Explain.

MEDIUM
7th CBSE
IMPORTANT

Distinguish between a physical and chemical change.

MEDIUM
7th CBSE
IMPORTANT

Explain the changes occurring in burning of candle.

MEDIUM
7th CBSE
IMPORTANT

Give two changes that are harmful. Explain why you consider them harmful. How can you prevent them?