EASY
10th CBSE
IMPORTANT
Earn 100

Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.(Phenolphthalein/Methyl orange)

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Important Questions on Acids, Bases and Salts

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 1>Q 6
Name the acid-base indicator extracted from lichens. (Vanilla / Litmus)
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 1>Q 7
Complete the following table:
Indicators Neutral colour Acidic medium Basic solution
Methyl orange      
Phenolphthalein      
litmus      
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 1>Q 8
What are synthetic indicators? How will you test the given samples for acid or base with the help of this indicator?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 1>Q 9
What is meant by olfactory indicators? Give any two examples.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 1>Q 10
A solution was added to vanilla extract, then the characteristic smell of vanilla was not detected. State whether the given solution is acid or a base.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 2>Q 1
Why is the taste of lemon sour?
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 2>Q 2
On what basis will you classify acids?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 2 - Acids, Bases and Salts>PAPER - PEN TEST : 2>Q 3
Difference between organic and mineral acids.