Acid & Base

Total Questions: 15

1 - Which acid is found in lemon?

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

2 - Which of the following is a strong acid?

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

3 - Acid rain contain high levels of---:
A ) Sulfuric acid
B ) Nitric acid
C ) Oxalic acid
D ) Both a and b ✅

4 - Car batteries use word that reacts with Lead plates to generate electricity.

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

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

6 - From which source is formic acid obtained?

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

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

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

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

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

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

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

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

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

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

12 - Which of the following bases is used in shop making?

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

13 - ایک ایسی شے جو ایسڈ اور بیس دونوں کے طور پر کام کرتی ہے کہلاتی ہے؟
A ) ایسٹر
B ) ایمفوٹیرک ✅
C ) کیٹون
D ) ایل ڈی ہائیڈ

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 ) 6.7 ✅
C ) 7
D ) 7.5
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