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Science TNSB Mentoring
Class 10 Crash course
Types of chemical reactions
Classification of chemical reactions
2.
Balancing chemical equation
Question:
2
m.
Choose the best answer:
1.
Which of the following is the balanced chemical equation for combustion of methane?
\(CH_4\) + \(2O_2\) → \(CO\) + \(2H_2O\)
\(2CH_4\) + \(O_2\) → \(CO_2\) + \(H_2O\)
\(CH_4\) + \(2O_2\) → \(CO_2\) + \(2H_2O\)
\(CH_4\) + \(O_2\) → \(CO_2\) + \(H_2O\)
2.
The symbol (\(aq\)) in a chemical equation represents
solid
aqueous solution
liquid
gas formed
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