Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Attempt the free practice questions from Exercise 2: EXERCISES with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES with Hints & Solutions

EASY
7th CBSE
IMPORTANT

An element common to all acids is

EASY
7th CBSE
IMPORTANT

One of the properties of an acid is that it

EASY
7th CBSE
IMPORTANT

Carbon dioxide gas from the air mixes with rainwater and forms

EASY
7th CBSE
IMPORTANT

The acid formed by bacteria in the mouth is a 

EASY
7th CBSE
IMPORTANT

Indicators are used to find out if substances are acids or bases.

EASY
7th CBSE
IMPORTANT

Name two food items that contain weak acids.

EASY
7th CBSE
IMPORTANT

What is meant by neutralisation of an acid by a base?

MEDIUM
7th CBSE
IMPORTANT

Complete the table:

  Acids Bases Salts
Properties      
Uses