MEDIUM
7th CBSE
IMPORTANT
Earn 100

What colour change occurs when a few drops of methyl orange is added to vinegar.

Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Give one word for the following:
The substances that have no effect on indicators.
 
EASY
7th CBSE
IMPORTANT

Give one word for the following:

 Substances used to test the nature of a substance.

EASY
7th CBSE
IMPORTANT
Give one word for the following:
An example of a natural indicator. (Litmus/ Methyl orange)
EASY
7th CBSE
IMPORTANT

Give an example of a synthetic indicator.

EASY
7th CBSE
IMPORTANT
_____ indicator is yellow in basic solution.
EASY
7th CBSE
IMPORTANT
_____ gives magenta colour in acidic solutions. (Turmeric/ China rose)
MEDIUM
7th CBSE
IMPORTANT
When dilute sulphuric acid is added to lime water, will the reaction mixture be hot or cool?
MEDIUM
7th CBSE
IMPORTANT
How will you test whether a given solution is acidic, basic or neutral with a turmeric indicator?