Q15. Consider the following:
1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?
Detailed Solution
Hydrofluorocarbons (HFCs) are a class of synthetic organic compounds that are potent greenhouse gases. They were developed as replacements for ozone-depleting substances like CFCs and HCFCs.
HFCs have a wide range of industrial applications: 1. Aerosols: HFCs are used as propellants in various aerosol products. 2. Foam agents: They are used as blowing agents in the production of insulating foams for refrigeration, construction, and other applications.
3. Fire retardants: Some HFCs are used in fire suppression systems as fire extinguishing agents. 4. Lubricants: Synthetic lubricants, particularly polyol ester (POE) oils, are often used with HFC refrigerants in refrigeration and air-conditioning systems. Therefore, HFCs are used in all four listed applications.
Current Affairs Link
Hydroflurocarbons are often seen in the news.
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