Consider the following statements:
- Hydrochlorofluorocarbons (HCFCs) are a group of man-made compounds containing hydrogen, fluorine and carbon.
- These are ozone depleting substances and potent greenhouse gases that are controlled under the Montreal Protocol.
- HCFCs usually dissolve in water, but do not dissolve in organic (carbon-containing) solvents.
- HCFCs are used in a wide variety of applications, including refrigeration, air conditioning, foam blowing, solvents, aerosols, and fire suppression.
Which of the statements given above is/are correct?
1 and 2
1 and 3
2 and 3
2 and 4