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Science · 2024 · 2 marks
CBSE 2024 · Region 3 · Set 1 · Q21
When magnesium ribbon is burnt in air, an ash of white colour is produced. Write chemical equation for the reaction giving the chemical name of the…
When magnesium ribbon is burnt in air, an ash of white colour is produced. Write chemical equation for the reaction giving the chemical name of the ash produced. State the type of chemical reaction giving justification for your answer.
Marking-scheme solution
\(\displaystyle 2 \mathrm{Mg}+\mathrm{O}_{2} \rightarrow 2 \mathrm{MgO}\)
Magnesium oxide
Type - Combination reaction
Reason : Two or more substances combine to form a single product .
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CBSE Class 10 Science past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.