Question 171 markMCQSection A

Assertion (A): Sodium oxide is an amphoteric oxide.

Reason (R): Metal oxides which react with both acids as well as bases are known as amphoteric oxides.

Acids, Bases and Salts
Amphoteric Oxides

Options

(a)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
(b)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
(c)Assertion (A) is true, but Reason (R) is false.
(d)Assertion (A) is false, but Reason (R) is true.

Official answer

Assertion (A) is false, but Reason (R) is true.

Answer keywords:amphoteric oxidebasic oxide

Common mistakes

  1. 1.sodium oxide is amphoteric

Analysis and explanation

Sodium oxide is a basic oxide, not an amphoteric oxide. Amphoteric oxides are metal oxides that react with both acids and bases. The correct statement is: Metal oxides which react with both acids as well as bases are known as amphoteric oxides.

Interesting facts

Examples of amphoteric oxides include zinc oxide and aluminum oxide.

Question details

Q17 of 39 questions

Board
CBSE
Class
Class 10
Subject
Science
Year
2023
Section
Section A
Marks
1
Type
MCQ
Chapter
Acids, Bases and Salts
Topic
Amphoteric Oxides
Bloom's level
Understanding
Syllabus topic
Chemical Properties of Acids and Bases

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Frequently asked questions

How many marks does this question carry in CBSE Class 10 Science 2023?

This question carries 1 mark in the CBSE Class 10 Science 2023 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 "Amphoteric Oxides" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2023 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2023 paper.