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Q.

Consider the following substances:
NaCl,Ca(OH)2,NaHCO3,NH3,Na2CO3,H2O,Cl2,CO2,CuSO4⋅5H2O,CaSO4⋅2H2O,CaOCl2
Which two substances combine to form bleaching powder ?

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a

Ca(OH)2,Cl2

b

Na2CO3,H2O

c

CuSO4⋅5H2O,CO2

d

NaHCO3,CO2

answer is C.

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Detailed Solution

2Ca(OH)2+2Cl2→CaOCl2+2H2O

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