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Standard XII

Chemistry

Properties of Water

The decomposi...

Question

The decomposition of a certain mass of $C a C O_{3}$ gave $11.2 d m^{3}$ of $C O_{2}$ gas at STP. The mass of KOH required to completely neutralise the gas is:

56 g

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28 g

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42 g

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20 g

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Solution

The correct option is B 28 g
option b) 28g

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The decomposition of a certain mass of CaCO3 gave 11.2dm3 of CO2 gas at STP. The mass of KOH required to completely neutralise the gas is:

The correct option is B 28 goption b) 28g

The decomposition of a certain mass of $C a C O_{3}$ gave $11.2 d m^{3}$ of $C O_{2}$ gas at STP. The mass of KOH required to completely neutralise the gas is:

The correct option is B 28 g
option b) 28g