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

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

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?

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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