EASY
7th CBSE
IMPORTANT
Earn 100

The sour things we eat contain . (acid/base)

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Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Ammonium hydroxide is a _____. (salt / base)
MEDIUM
7th CBSE
IMPORTANT
An acid is _____ by a base.
EASY
7th CBSE
IMPORTANT
An antacid generally contains a _____. (acid/ base)
HARD
7th CBSE
IMPORTANT

Complete the following:

Indicator                                    Color
  Acidic medium Basic medium
Litmus Red _____
_____ Colorless Red
_____ juice Yellow Red-brown
Red-cabbage juice _____ Green
China-rose juice Red _____

 

EASY
7th CBSE
IMPORTANT
Acids are formed when _____.
EASY
7th CBSE
IMPORTANT
Hydrochloric acid can be neutralised by
EASY
7th CBSE
IMPORTANT
A soap solution is _____.
EASY
7th CBSE
IMPORTANT
In a neutralisation reaction, an acid reacts with a base to give _____.