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Subjects
Science CBSE
Class 10
Chemical reaction and equations
Balancing the equations and its types

26. Choose the best answer: NCERT- Exemplar questions - II

Exercise condition:

5 m.

Choose the best answer:

1. Which of the following statements about the reaction

$3Fe$ (s) +

$4H_2O$ (g) →

$Fe_3O4$ (s)+

$4H_2$ (g) are correct?

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

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

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