NCERT Exemplar XI — task. Science CBSE, Class 10.

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Multiple Choice Questions:

1. Which of the following represents saponification reaction?

\(2CH_3COOH + 2Na \xrightarrow[]{} 2CH_3COONa+H_2\)
\(CH_3COOH + C_2H_5OH \xrightarrow[]{H_2SO_4} CH_3COOC_2H_5+H_2O\)
\(CH_3COONa + NaOH \xrightarrow[]{CaO} CH_4 + Na_2CO_3\)
\(CH_3COOC_2H_5+NaOH \xrightarrow[]{} 2CH_3COONa+C_2H_5OH\)

2. The first member of alkyne homologous series is

ethyne
propyne
ethene
methane

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