Assertion (A) : Silver chloride turns grey in sunlight.
Reason (R) : Decomposition of silver chloride into silver and chlorine takes place by sunlight.
Assertion (A) : Silver chloride turns grey in sunlight.
Reason (R) : Decomposition of silver chloride into silver and chlorine takes place by sunlight.
Options
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Marking Scheme
- 11 mark
Hint
Recall the chemical reaction that occurs when silver chloride is exposed to sunlight.
Quick Oral Answer
The assertion and reason are both true, and the reason is the correct explanation of the assertion. The decomposition of silver chloride into silver and chlorine takes place by sunlight, causing the silver chloride to turn grey.
Analysis & Explanation
The decomposition of silver chloride into silver and chlorine takes place by sunlight, which causes the silver chloride to turn grey. This is a chemical reaction that occurs when silver chloride is exposed to sunlight.
Common Mistakes
- 1thinking that the assertion and reason are unrelated
Interesting Facts
Silver chloride is a light-sensitive compound that decomposes when exposed to sunlight.
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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 "Light — Reflection and Refraction" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Reflection and Refraction" 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.