Reaction of calcium carbide with water produces a gas, which is used_________________?
Correct answer: C. Both A. & B.
- A. As an illuminant
- B. For metal cutting/welding
- C. Both A. & B.
- D. Neither A. nor B.
Explanation
Calcium carbide reacts with water to produce acetylene, a highly combustible gas. Acetylene has been used both in illuminating lamps and in oxy-acetylene metal cutting and welding.
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