General Awareness MCQ: Consider the following chemicals 1. Benzene 2. Carbon tetrachloride 3. Sodium carbonate 4. Trichloroethylene Which of the above is/are used as dry cleaning chemical?

Consider the following chemicals 1. Benzene 2. Carbon tetrachloride 3. Sodium carbonate 4. Trichloroethylene Which of the above is/are used as dry cleaning chemical?

Correct Answer: 1, 2, 3 and 4

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