RRB Group-D Model Paper 16 with answers for online practice

Question : 46 of 100

Marks: +1, -0

Bleaching powder contains

Solution:

Calcium hypochlorite is commonly known as Bleaching powder.
Its formula is $Ca(ClO)_2$ .
It is a pale yellow coloured powder with a strong smell of chlorine.
It is synthesized by the action of chlorine gas on dry slaked lime.
$Ca(OH_)2 + Cl_2 → CaOCl_2 + H_2O$
Uses of bleaching powder -
For bleaching dirty clothes in the laundry.
As a bleaching agent for cotton and linen in the textile industry.
As an oxidizer in many industries.
It is used as a disinfectant which is used for disinfecting water to make potable water.

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