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Q.

Which of following is correct statement (s)?

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a

The use of CCl2=CCl2 in dry cleaning has been stopped because it is carcinogenic and harmful for ground water

b

In dry cleaning liquid CO2 liquid has replaced halogenated solvents

c

In dry cleaning H2O2 is used as bleaching agent

d

All of the above

answer is D.

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Detailed Solution

The use of CCl2=CCl2 in dry cleaning has been stopped, in dry cleaning H2O2 is used as bleaching agent and  in dry cleaning liquid CO2 liquid has  replaced halogenated solvents.
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