1. hydrofluorocarbons (HFCs)
2. perfluorocarbons (PFCs)
3. sulfur hexafluoride (SF6)
Select the correct option from the codes given below:
Answer: 1, 2 & 3
Notes: Fluorinated gases are man-made gases that can stay in the atmosphere for centuries . They contribute to global warming. There are three main categories of fluorinated gases—
1. hydrofluorocarbons (HFCs),
2. perfluorocarbons (PFCs), and
3. sulfur hexafluoride (SF6).
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