Question 31 markMCQSection A

$2\mathrm{Na(s)} + 2\mathrm{H}_2\mathrm{O(l)}\longrightarrow 2\mathrm{NaOH(aq)} + \mathrm{H}_2(\mathrm{g})\uparrow$

Chemical Reactions and Equations

Chemical Reactions

Options

(a)

Na

(b)

\mathrm{H}_2\mathrm{O}

(c)

NaOH

(d)

\mathrm{H}_2

Na

reducing agent

sodium

oxidation

Hint

$Identify the substance that loses electrons in the reaction$

Quick oral answer

$The reducing agent in the reaction is sodium, as it loses electrons to form sodium hydroxide$

The reducing agent in the reaction is Na, as it loses electrons to form NaOH

$Sodium is a highly reactive metal$

$Oxidation and reduction reactions are important in many industrial processes$

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$This question carries 1 mark in the CBSE Class 10 Science 2023 examination.$

$This question is from the chapter "Chemical Reactions and Equations" in the CBSE Class 10 Science syllabus.$

$This question covers the topic "Chemical Reactions" from CBSE Class 10 Science.$

$This is a MCQ question from Section A in the CBSE Class 10 Science 2023 paper.$