West Bengal Board Solutions for Chapter: Role of Substances in Environment, Exercise 33: Exercise 33

Author:West Bengal Board

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Role of Substances in Environment, Exercise 33: Exercise 33

Attempt the practice questions on Chapter 4: Role of Substances in Environment, Exercise 33: Exercise 33 with hints and solutions to strengthen your understanding. Environment and Science Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from West Bengal Board Solutions for Chapter: Role of Substances in Environment, Exercise 33: Exercise 33 with Hints & Solutions

MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 4 - Role of Substances in Environment>Exercise 33>Q (a)

Which constituent is mostly present in our body fluid?

MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 4 - Role of Substances in Environment>Exercise 33>Q (b)

What happens to sodium chloride, the main constituent of common salt present in our body fluid?

MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 4 - Role of Substances in Environment>Exercise 33>Q (c)

What happens to the other components of table salt present in the body?

MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 4 - Role of Substances in Environment>Exercise 33>Q (d)

If by any means you cut your lips or bite inside your cheek during eating, have you felt the taste of the blood?

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 4 - Role of Substances in Environment>Exercise 33>Q (f)

It has been found experimentally that 100 millilitre of human blood contains 0.9 g of sodium chloride. What is the main constituent of human blood?