1. Which among the following non-metals is a bright yellow crystalline solid at room temperature?
- Phosphorus
- Sulfur
- Carbon
- Selenium
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Answer: Option B. Sulfur
2. Which two gases are primarily used in the Haber-Bosch process?
- Oxygen and Nitrogen
- Carbon Dioxide and Methane
- Helium and Argon
- Nitrogen and Hydrogen
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Answer: Option D. Nitrogen and Hydrogen
3. Which of the following non-metals are commonly used as general anesthetics?
- Nitrous Oxide
- Oxygen
- Carbon Dioxide
- Helium
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Answer: Option A. Nitrous Oxide
4. Which of the following non-metals is liquid at room temperature?
- Bromine
- Chlorine
- Fluorine
- Iodine
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Answer: Option A. Bromine
5. Which of the following is a lustrous non-metal?
- Sulfur
- Phosphorus
- Iodine
- Carbon
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Answer: Option C. Iodine