EASY
10th CBSE
IMPORTANT
Earn 100

What are organic acids? Name any two organic acids. 

Important Questions on Question Bank

MEDIUM
10th CBSE
IMPORTANT
What are olfactory indicators? How is an olfactory indicator used to test whether a given solution is an acid or a base? 
MEDIUM
10th CBSE
IMPORTANT
Three test tubes A, B and C contain aqueous solutions having pH equal to 3, 8 and 7 respectively. Arrange them in the order of their increasing acidic strength. 
MEDIUM
10th CBSE
IMPORTANT
Name two materials which can be added to a highly acidic soil to reduce its acidity. Give reasons for your answer. 
MEDIUM
10th CBSE
IMPORTANT

Classify the following substances into 2 groups: pH < 7 and pH > 7. 

Lemon juice   Wine    Limewater    Blood   Acid rain 

How do these substances react with litmus paper? 
 

EASY
10th CBSE
IMPORTANT

Name the natural source for oxalic acid.

EASY
10th CBSE
IMPORTANT
Name the natural source for tartaric acid. (Tomato / Tamarind / Citrus fruits)
EASY
10th CBSE
IMPORTANT
Name the natural source for malic acid.
EASY
10th CBSE
IMPORTANT
Name the natural source for citric acid. (Lemon / Curd / Tamarind)