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. Only 1
B. Only 2
C. 1, 2 and 4
D. 1, 2, 3 and 4
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Organic Chemistry
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