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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

9. Exercises II

Exercise condition:

2 m.

1. \(Fe_2O_3\) + \(2Al\) → \(Al_2O_3\) + \(2Fe\)
The above reaction is an example of a

reduction reaction
displacement reaction
combination reaction
decomposition reaction
double displacement reaction

2. Translate the following statements into chemical equations and then balance them.

Hydrogen sulphide gas burns in air to give water and sulpur dioxide.

\(2H_2S\) + \(3O_2\) → \(2H_2O\) + \(2SO_2\)
\(2H_2S\) + \(3O_2\) → \(2H_2O\) + \(2SO_3\)
\(H_2S\) + \(6O_2\) → \(2H_2O\) + \(2SO_2\)
\(2H_2S\) + \(3O_2\) → \(2H_2O_2\) + \(2SO_2\)
\(2H_2S\) + \(3O_2\) → \(2H_2S\) + \(2SO_2\)

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