EASY
7th CBSE
IMPORTANT
Earn 100

Which solution will change red litmus to blue?

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q I
Name the strong acid from the following : 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q I
The nickname of sodium bicarbonate is 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q I
Which acid does a bee inject into the skin?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q II

Turmeric is an example of a _____ indicator 

(Blue, natural, neutral, indicators, lichens)

MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q II
Litmus is a dye which is extracted from _____.
(Blue, natural, neutral, indicators, lichens)
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q II

Substances that are neither acidic nor basic are _____.

( Blue, natural, neutral, indicators, lichens )

EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q II

Base turns red litmus _____.

(blue, natural, neutral, indicators, lichens)

EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 8 - Acids, Bases and Salts>EXERCISES>Q II

_____ are the substances that are used to test the nature of a substance. 

(Blue, natural, neutral, indicators, lichens)