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Subjects
Science CBSE
Class 10
Chemical reaction and equations
Textbook questions

35. NCERT Exemplar VIII

Exercise condition:

2 m.

1. Which of the following statements about the reaction

$3Fe$ (s) +

$4H_2O$ (g) →

$Fe_3O4$ (s)+

$4H_2$ (g) are correct?

Choose all possible answers.

Water is getting oxidized
Water is acting as oxidising agent
Water is getting reduced
Water is acting as redox agent
Iron metal is getting oxidised

2. Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

$2$ : $1$
$4$ : $1$
$1$ : $2$
$1$ : $1$
$3$ : $2$

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