Mukul Sahgal and A C Sahgal Solutions for Exercise 1: ORAL QUESTIONS

Author:Mukul Sahgal & A C Sahgal

Mukul Sahgal Science Solutions for Exercise - Mukul Sahgal and A C Sahgal Solutions for Exercise 1: ORAL QUESTIONS

Attempt the practice questions from Exercise 1: ORAL QUESTIONS with hints and solutions to strengthen your understanding. Living Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from Mukul Sahgal and A C Sahgal Solutions for Exercise 1: ORAL QUESTIONS with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 8 - Physical and Chemical Changes>ORAL QUESTIONS>Q 1

In which of these do the molecules of substances undergo changes–physical change or chemical change?

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 8 - Physical and Chemical Changes>ORAL QUESTIONS>Q 2

What kind of change does this represent? (Physical change/ Chemical change)
Reactants → Products

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 8 - Physical and Chemical Changes>ORAL QUESTIONS>Q 3

What kind of reaction is a melting of the wax.
 

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 8 - Physical and Chemical Changes>ORAL QUESTIONS>Q 3

What kind of reaction is burning of wax?