Ela Chowdhury Solutions for Chapter: Water, Exercise 3: EVALUATION

Author:Ela Chowdhury

Ela Chowdhury Chemistry Solutions for Exercise - Ela Chowdhury Solutions for Chapter: Water, Exercise 3: EVALUATION

Attempt the practice questions on Chapter 4: Water, Exercise 3: EVALUATION with hints and solutions to strengthen your understanding. FRANK NEW CERTIFICATE - Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Ela Chowdhury Solutions for Chapter: Water, Exercise 3: EVALUATION with Hints & Solutions

EASY
6th ICSE
IMPORTANT

The purest form of natural water is

MEDIUM
6th ICSE
IMPORTANT

The underground water is free from dissolved salts of calcium and magnesium.

MEDIUM
6th ICSE
IMPORTANT

Chemicals such as fertilisers, insecticides, pesticides and weedicides decrease agricultural production.

MEDIUM
6th ICSE
IMPORTANT

Name the two main sources of water.

MEDIUM
6th ICSE
IMPORTANT

Name the springs that contain a large amount of dissolved sodium carbonate.

HARD
6th ICSE
IMPORTANT

What is surface water? Name its types.

MEDIUM
6th ICSE
IMPORTANT

Define solution. When is a solution said to be saturated?

EASY
6th ICSE
IMPORTANT

Drinking much water does not prevent our skin from drying. Why?