Corrosion and Prevention CBSE Class 10 MCQ & Practice Questions

Practice Corrosion and Prevention MCQs for CBSE Class 10 Chemistry with answers, explanations, chapter revision and related ChemNexa mock tests.

Corrosion and Prevention Revision Guide for CBSE Class 10 Chemistry

Corrosion and Prevention is part of CBSE Class 10 Chemistry preparation. A strong revision plan should combine concept review with exam-style questions so that definitions, relationships, calculations and exceptions are recalled accurately.

Use the sample MCQs on this page to check understanding, then attempt the related ChemNexa tests for broader practice. When an answer is wrong, review the explanation and return to the underlying concept before attempting another set.

Important Topics

Core definitions and principles
Important equations or relationships
Common applications and examples
Frequently confused concepts
Exam-style multiple-choice questions
Error review and targeted revision

Revision Tip

Create a one-page summary of trends, structures, reactions, exceptions and key terminology for Corrosion and Prevention, then test recall with mixed MCQs.

What to practise in Corrosion and Prevention

Concept Revision

Revise definitions, principles, equations, trends and core ideas from Corrosion and Prevention before attempting MCQs.

Exam-style MCQs

Use chapter-focused multiple-choice practice to improve accuracy, recall and application for CBSE Class 10 Chemistry.

Performance Practice

Attempt ChemNexa tests, review results and return to weak areas for another round of targeted revision.

Top 5 Corrosion and Prevention MCQs with Answers

These public questions are selected from the exact Corrosion and Prevention chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

CBSE Class 10 Chemistry · Corrosion and Prevention · Very Very Hard

1. Which statement is essential when solving a question on Corrosion and Prevention?

A. Atoms may disappear
B. Balanced equations are unnecessary
C. All reactions are reversible
D. Atoms and charge must be conserved in chemical equations

Answer: D

Explanation: Chemical equations must obey conservation of atoms and charge.

CBSE Class 10 Chemistry · Corrosion and Prevention · Very Very Hard

2. A correctly written reaction related to Corrosion and Prevention should be:

A. Balanced only for gases
B. Balanced only for acids
C. Balanced
D. Unbalanced

Answer: C

Explanation: A chemical equation is balanced to obey conservation of mass.

CBSE Class 10 Chemistry · Corrosion and Prevention · Very Very Hard

3. Which approach best answers an application question on Corrosion and Prevention?

A. Assume every substance behaves identically
B. Use the characteristic property or reaction involved
C. Use colour alone in every case
D. Ignore reaction conditions

Answer: B

Explanation: Characteristic properties and stated reaction conditions determine the answer.

CBSE Class 10 Chemistry · Corrosion and Prevention · Very Very Hard

4. In a reaction involving Corrosion and Prevention, evidence of chemical change may include:

A. Gas evolution, precipitate, colour or temperature change as applicable
B. Only change of container
C. Only stirring
D. Only change of shape

Answer: A

Explanation: Chemical reactions may show gas evolution, precipitate formation, colour or temperature change.

CBSE Class 10 Chemistry · Corrosion and Prevention · Very Very Hard

5. Which is the safest rule for a CBSE Class X chemistry problem on Corrosion and Prevention?

A. Memorise an unrelated equation
B. Ignore products
C. Change subscripts to balance atoms
D. Apply the relevant concept and verify the balanced equation

Answer: D

Explanation: Subscripts must not be changed to balance equations; use coefficients and chemistry concepts.