Nishi Arora Solutions for Chapter: Physical and Chemical Changes, Exercise 5: THINK ZONE

Author:Nishi Arora

Nishi Arora Chemistry Solutions for Exercise - Nishi Arora Solutions for Chapter: Physical and Chemical Changes, Exercise 5: THINK ZONE

Attempt the free practice questions on Chapter 2: Physical and Chemical Changes, Exercise 5: THINK ZONE with hints and solutions to strengthen your understanding. ICSE Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Nishi Arora Solutions for Chapter: Physical and Chemical Changes, Exercise 5: THINK ZONE with Hints & Solutions

HARD
8th ICSE
IMPORTANT

Have you seen things made from clay? Clay is a type of soft earth that can be moulded into different shapes. When clay is baked, it becomes very hard. Is baking of clay a reversible or an irreversible change? 

HARD
8th ICSE
IMPORTANT

Formation of curd from milk is an irreversible change as you cannot get back milk from curd. Is this a physical or a chemical change?

HARD
8th ICSE
IMPORTANT

Can you think of an irreversible physical change?