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What happens when a mixture of sodium sulphate, lime stone and coke is heated in a furnace ?

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Black ash containing sodium carbonate and calcium sulphide is formed.

Carbon dioxide gas is liberated.

Sodium carbonate and calcium sulphate is formed

1 and 2 both

answer is A.

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Detailed Solution

${Na}_{2} {SO}_{4} + {CaCO}_{3} + 4 C \to_{furnace}^{∆} \underset{black ash}{\underset{⏟}{{Na}_{2} {CO}_{3} + CaS}} + CO$

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