CBSE 2025 · Region 5 · Set 2 · Q26 · 2 marks
Write chemical equation for the chemical reaction between the aqueous solutions of sodium sulphate and barium chloride. State two types of chemical reactions in which this reaction can be placed.
Marking-scheme solution
\[\mathrm{Na}_{2} \mathrm{SO}_{4}(\mathrm{aq})+\mathrm{BaCl}_{2}(\mathrm{aq}) \longrightarrow \mathrm{BaSO}_{4}(\mathrm{~s})+2 \mathrm{NaCl}(\mathrm{aq})
\]
(i) double displacement reaction.
(ii) precipitation reaction.
Chemical Reactions and EquationsDisplacement and Double Displacement ReactionsApplyvery_short_answermedium
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.