📊 General Awareness
Q. 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?
  • (A) 1, 2 and 4 only
  • (B) Only 1
  • (C) Only 2
  • (D) 1, 2, 3 and 4
✅ Correct Answer: (D) 1, 2, 3 and 4

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Ram Sharma
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