Consider the following chemicals 1 Benzene 2 Carbon tetrachloride 3 Sodium carbonate 4 Trichloro eth...........

General Science (Easy) Chemistry

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Consider the following chemicals:

1. Benzene

2. Carbon tetrachloride

3. Sodium carbonate

4. Trichloro ethylene

Which of the above/is are used as dry cleaning chemical?

1 only

2 only

1, 2 and 4 only

1, 2, 3 and 4

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Explanation:

Dry cleaning is a cleaning process for clothing and textiles involves using a chemical solvents other then water. The solvent used is typically trichloroethylene while carbon tetra chloride and tri chloroethane is used historically. Benzene is other common agent used for this purpose.