Question 21 markMCQSection A

You have three aqueous solutions A, B and C as given below: A - Potassium nitrate, B - Ammonium chloride, C - Sodium carbonate. The ascending order of the pH of these solutions is:

Acids, Bases and Salts
pH Scale

Options

(A)A<B<CA < B < C
(B)B<C<AB < C < A
(C)C<A<BC < A < B
(D)B<A<CB < A < C

Official answer

B<A<CB < A < C

Hint

Recall the pH scale and the nature of the given salts.

Analysis and explanation

The pH of a solution is a measure of its acidity or basicity. The pH scale ranges from 0 to 14, with 7 being neutral. A pH less than 7 is acidic, while a pH greater than 7 is basic. Potassium nitrate (A) is a neutral salt, ammonium chloride (B) is an acidic salt, and sodium carbonate (C) is a basic salt. Therefore, the ascending order of the pH of these solutions is B<A<CB < A < C.

Question details

Q2 of 39 questions

Board
CBSE
Class
Class 10
Subject
Science
Year
2025
Section
Section A
Marks
1
Type
MCQ
Chapter
Acids, Bases and Salts
Topic
pH Scale
Bloom's level
Remembering
Syllabus topic
pH Scale

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Frequently asked questions

How many marks does this question carry in CBSE Class 10 Science 2025?

This question carries 1 mark in the CBSE Class 10 Science 2025 examination.

Which chapter does this question come from in Science?

This question is from the chapter "Acids, Bases and Salts" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "pH Scale" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2025 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.