Dr. K C Trikha and N K Sehgal Solutions for Chapter: Changes Around Us, Exercise 5: Something to know

Author:Dr. K C Trikha & N K Sehgal

Dr. K C Trikha Science Solutions for Exercise - Dr. K C Trikha and N K Sehgal Solutions for Chapter: Changes Around Us, Exercise 5: Something to know

Attempt the free practice questions on Chapter 5: Changes Around Us, Exercise 5: Something to know with hints and solutions to strengthen your understanding. The Living World A book of Science and Technology solutions are prepared by Experienced Embibe Experts.

Questions from Dr. K C Trikha and N K Sehgal Solutions for Chapter: Changes Around Us, Exercise 5: Something to know with Hints & Solutions

MEDIUM
6th CBSE
IMPORTANT

Distinguish between fast and slow changes. Give two examples of each type. 

MEDIUM
6th CBSE
IMPORTANT

Give two examples each of reversible and irreversible change.

MEDIUM
6th CBSE
IMPORTANT

State some of the irreversible biological changes that take place in nature.

MEDIUM
6th CBSE
IMPORTANT

Give one example of a physical change in which energy is given out.

MEDIUM
6th CBSE
IMPORTANT

Give one example of a physical change in which energy is absorbed. 
 

HARD
6th CBSE
IMPORTANT

Give two differences between reversible and irreversible changes. 

MEDIUM
6th CBSE
IMPORTANT

 'Formation of curd is an irreversible as well as a chemical change.' Justify this statement.

MEDIUM
6th CBSE
IMPORTANT

How is the burning a candle a physical as well as chemical change ?