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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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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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