Consider the following chemicals :1. Benzene 2. Carbon tetrachloride 3 – McqOptions

MCQOPTIONS

1.	Consider the following chemicals :1. Benzene 2. Carbon tetrachloride 3. Sodium carbonate 4. Trichloroethylene Which of the above is/are used as dry cleaning chemicals?
A.	1 only
B.	2 only
C.	1,2 and 4 only
D.	1,2,3 and 4
Answer» D. 1,2,3 and 4

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