Assertion (A): A piece of Zinc metal gets reddish brown coating when kept in copper sulphate solution for some time. Reason (R): Copper is more reactive metal than Zinc.
Assertion (A): A piece of Zinc metal gets reddish brown coating when kept in copper sulphate solution for some time. Reason (R): Copper is more reactive metal than Zinc.
Options
Official answer
Zinc is more reactive than copper. When zinc is kept in copper sulphate solution, it displaces copper from the solution and gets coated with reddish brown copper.
Marking scheme
- 1.1 mark
Hint
Recall the reactivity series of metals.
Quick oral answer
Zinc is more reactive than copper, so it displaces copper from the solution and gets coated with reddish brown copper.
Common mistakes
- 1.Confusing the reactivity of zinc and copper.
Analysis and explanation
The assertion is true, but the reason is false. Zinc is more reactive than copper, so it displaces copper from the solution and gets coated with reddish brown copper.
Interesting facts
Zinc is used as a protective coating for iron to prevent rusting.
Question details
Q17 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2024
- Section
- Section A
- Marks
- 1
- Type
- MCQ
- Chapter
- Metals and Non-metals
- Topic
- Reactivity Series
- Bloom's level
- Remembering
- Syllabus topic
- Metals and Non-metals
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2024?
This question carries 1 mark in the CBSE Class 10 Science 2024 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Metals and Non-metals" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Reactivity Series" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2024 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2024 paper.