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Science · 2024 · 2 marks
CBSE 2024 · Region 4 · Set 1 · Q22
Distinguish between a saturated and an unsaturated hydrocarbon by flame test. List the products of combustion reaction of a saturated hydrocarbon.
Marking-scheme solution
| saturated hydrocarbon | unsaturated hydrocarbon |
| Burns with clean blue flame/ Complete combustion | Burns with yellow flame with lots of black smoke. or Sooty flame / Incomplete combustion |
Carbon dioxide; Water
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.