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- Question
The most pure form of carbon among the options is
Options- A. Anthracite
- B. Lampblack
- C. Graphite
- D. Wood Charcoal
- Correct Answer
- Anthracite
- 1. What is the product formed when sodium bicarbonate is heated strongly?
Options- A. Sodium Carbonate
- B. Sodium Hydroxide
- C. Sodium Peroxide
- D. Sodium Monoxide Discuss
- 2. Which among the following has the maximum density?
Options- A. Water
- B. Ice
- C. Ethylene
- D. Acetone Discuss
- 3. The compound used in prickly-heat powder to prevent excessive sweating is
Options- A. Boric acid
- B. Phosphoric acid
- C. Carbonic acid
- D. Sulphonic acid Discuss
- 4. Who invented the modern periodic table?
Options- A. Faraday
- B. Mendeleev
- C. Newton
- D. Bohr Discuss
- 5. Which of the following is not a nitrogenous fertiliser?
Options- A. Ammonium sulphate
- B. Urea
- C. Ammonium nitrate
- D. Superphospohate Discuss
- 6. The reactions in which oxidation and reduction occur simultaneously are called _______.
Options- A. Feral reactions
- B. Redox reactions
- C. Demug reactions
- D. Kerol reactions Discuss
- 7. The nitrogenous waste of Human Beings is
Options- A. Ammonia
- B. Urea
- C. Ammonium Nitrate
- D. Uric Acid Discuss
- 8. ______ is used for making chemical apparatus like beakers, flasks etc.
Options- A. Potash glass
- B. Hard glass
- C. Jena glass
- D. Soda glass Discuss
- 9. Atomic number of which of the following elements is greater than that of Copper?
Options- A. Iron
- B. Chromium
- C. Zinc
- D. Manganese Discuss
- 10. Which among the following is used to generate light, to weld metals?
Options- A. Ethylene
- B. Acetylene
- C. Glycol
- D. Oxalic acid Discuss
Chemistry problems
Search Results
Correct Answer: Sodium Carbonate
Correct Answer: Water
Correct Answer: Boric acid
Correct Answer: Mendeleev
Correct Answer: Superphospohate
Correct Answer: Redox reactions
Correct Answer: Urea
Correct Answer: Hard glass
Correct Answer: Zinc
Correct Answer: Acetylene
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