Chemical Reaction and Equations — Practice Quiz
CBSE · Class 10 · Science
Try a 4-question quiz on Chemical Reaction and Equations for CBSE Class 10 Science: tap an answer to check it and see why.
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Quick Quiz: Chemical Reaction and Equations
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What indicates a chemical reaction has occurred?
What is the chemical formula for calcium oxide (quick lime)?
In a combination reaction, what happens?
What is a decomposition reaction?
Sample Questions
What is an exothermic reaction?
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Reaction releasing heat
An exothermic reaction releases heat energy during the chemical process.
What causes iron to rust?
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Exposure to moisture and air
Rusting occurs when iron is exposed to moisture and oxygen, causing oxidation.
What is oxidation?
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Gain of oxygen
Oxidation involves the gain of oxygen or loss of hydrogen in a chemical reaction.
What is a displacement reaction?
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An element replaces another in a compound
In a displacement reaction, a more reactive element displaces a less reactive element from its compound.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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