Match List I with List II and select the correct answer using the code given below: List I | List II A. Lemon juice | 1. Strongly acidic B. Curd | 2. Weakly acidic C. Common Salt | 3. Neutral D. Lime water | 4. Basic

Correct Option The correct option is A-1, B-2, C-3, D-4. Explanation Substances are classified as acidic, basic, or neutral according to their chemical nature and their effect on indicators. Lemon juice contains citric acid and is matched with the strongly acidic category in the given list. Curd contains lactic acid and is weakly acidic. Common salt solution is neutral in nature. Lime water is a solution of calcium hydroxide and is basic. - A. Lemon juice — 1. Strongly acidic: Correct. Lemon juice contains citric acid and shows acidic character. - B. Curd — 2. Weakly acidic: Correct. Curd contains lactic acid, which gives it weak acidic character. - C. Common Salt — 3. Neutral: Correct. Common salt solution does not show acidic or basic character. - D. Lime water — 4. Basic: Correct. Lime water contains calcium hydroxide and shows basic character. Key Takeaway: Lemon juice and curd are acidic, common salt is neutral, and lime water is basic.

Match List I with List II and select the correct answer using the code given below: List I | List II A. Lemon… - NCERT Class 7 Science MCQ

NCERT Class 7 Science — Chapter 1: Acids, bases and salts

mcqeasy

Match List I with List II and select the correct answer using the code given below:

List I	List II
A. Lemon juice	1. Strongly acidic
B. Curd	2. Weakly acidic
C. Common Salt	3. Neutral
D. Lime water	4. Basic

NCERT textbook question

From NCERT Science - class 7

Options

AA-4, B-3, C-1, D-2
BA-1, B-2, C-3, D-4
CA-4, B-2, C-1, D-3
DA-1, B-3, C-4, D-2

Did you get this right?

Solution

Correct Option

The correct option is A-1, B-2, C-3, D-4.

Explanation

Substances are classified as acidic, basic, or neutral according to their chemical nature and their effect on indicators.

Lemon juice contains citric acid and is matched with the strongly acidic category in the given list. Curd contains lactic acid and is weakly acidic. Common salt solution is neutral in nature. Lime water is a solution of calcium hydroxide and is basic.

A. Lemon juice — 1. Strongly acidic: Correct. Lemon juice contains citric acid and shows acidic character.
B. Curd — 2. Weakly acidic: Correct. Curd contains lactic acid, which gives it weak acidic character.
C. Common Salt — 3. Neutral: Correct. Common salt solution does not show acidic or basic character.
D. Lime water — 4. Basic: Correct. Lime water contains calcium hydroxide and shows basic character.

Key Takeaway: Lemon juice and curd are acidic, common salt is neutral, and lime water is basic.

Your note

More from Chapter 1: Acids, bases and salts

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