Mittsure Solutions for Exercise 1: LET'S Learn And EVALUATE

Author:Mittsure

Mittsure Science Solutions for Exercise - Mittsure Solutions for Exercise 1: LET'S Learn And EVALUATE

Attempt the practice questions from Exercise 1: LET'S Learn And EVALUATE with hints and solutions to strengthen your understanding. SCIENCE Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from Mittsure Solutions for Exercise 1: LET'S Learn And EVALUATE with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 1

Classify the following as physical or chemical change:

Cooking of food

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 4

Classify the following as physical or chemical change:

Respiration in living bieng

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 6

Classify the following as physical and chemical changes:

Photosynthesis in plants.

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 7

Classify the following as physical and chemical changes:

Burning of kerosene oil in a stove.

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 1

Why do iron objects turn reddish brown when exposed to moist air?

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 3

Explain any three ways of preventing the rusting of iron.

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 4

What is a chemical change? Name any four examples of chemical changes with their equation.

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 5

What is crystallisation? How can you obtain sugar crystals? Explain.