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kushal sharma

· started a discussion

· 1 Months ago

doubt (Question: 316943.0 )

can you explain halans??

Question:

Which of the following substance is/are ozone depleting ?

1. Chlorofluoro Carbons

2. Halans

3. Carbon tetrachloride

Options:
A)

1 only

B)

1 and 2 only

C)

2 and 3 only

D)

1, 2 and 3

Solution:

Ans: (d)

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