Acid & Base

Total Questions: 15

1 - Which acid is found in lemon?

A ) Citric acid ✅
B ) Acetic acid
C ) Hydrochloric acid
D ) Sulphuric acid

2 - Which of the following is a strong acid?

A ) Citric acid
B ) Acetic acid
C ) Hydrochloric acid ✅
D ) Lactic acid

3 - Acid rain contains high level of -----:
A ) Sulfuric acid
B ) Oxalic acid
C ) Nitric acid
D ) Both A and C ✅

4 - Car batteries use what that reacts with lead plates to generate electricity.

A ) Nitric acid
B ) Sulphuric acid ✅
C ) Hydrochloric acid
D ) None of these

5 - Base alkaline used in batteries----:
A ) Potassium hydroxide ✅
B ) Sodium hydroxide
C ) Calcium hydroxide
D ) Magnesium hydroxide

6 - From which source is formic acid obtained ?

A ) Plants
B ) Aunts ✅
C ) Fungi
D ) None of these

7 - Which acid is used in the fermentation process of food?

A ) Lactic acid ✅
B ) Acetic acid
C ) HCL
D ) None of these

8 - The cause of soil pollution is----:
A ) Acid rain ✅
B ) Ozone
C ) Air freshener
D ) None of these

9 - ایک ایسی شے جو ایسڈ اور بیس دونوں کے طور پر کام کرتی ہے کہلاتی ہے؟
A ) ایسٹر
B ) کیٹیون
C ) ایمفٹیرک ✅
D ) ایلڈی ہائڈ

10 - What is the primary function of bases in the body?

A ) Provide energy
B ) Regulate PH ✅
C ) Aid digestion
D ) Protect cells

11 - Which of these is not a property of acids?

A ) Turn Litmus paper blue ✅
B ) React with metals
C ) Sour taste
D ) Conduct electricity

12 - What is the most common acid found in soft drinks?

A ) Phosphoric acid ✅
B ) Acetic acid
C ) Sulfuric acid
D ) Hydrochloric acid

13 - Which of the following bases is used in soap making?

A ) Magnesium hydroxide
B ) Ammonium hydroxide
C ) Calcium hydroxide
D ) Sodium hydroxide ✅

14 - What is the pH of neutral solution?

A ) 0
B ) 7 ✅
C ) 14
D ) 15

15 - The pH of milk is---+:
A ) 6
B ) 6.5 ✅
C ) 7
D ) 7.t
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