Discuss Forum
1. Gypsum consists of ---------.
- A. H 2 S and CO 2
- B. H 2 S and CO 2
- C. H 2 S and CO 2
- D. H 2 S and CO 2
Answer: Option C
Explanation:
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1. Gypsum consists of ---------.
Answer: Option C
Explanation:
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