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P-1 Chemical reactions and equations — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Chemical reactions and equations2 Marks
Question
Explain the following reactions giving their balanced chemical equations: Electric current is passed through acidulated water.
✓

Answer

When an electric current is passed through acidulated water, it decomposes into hydrogen and
oxygen gas.
$
\underset{\text { Acidulated water }}{2 H _2 O _{(l)}} \rightarrow \underset{\text { hydrogen }}{2 H _2 \uparrow}+\underset{\text { oxygen }}{ O _2 \uparrow}
$

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