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- Question
What is the product formed when sodium bicarbonate is heated strongly?
Options- A. Sodium Carbonate
- B. Sodium Hydroxide
- C. Sodium Peroxide
- D. Sodium Monoxide
- Correct Answer
- Sodium Carbonate
- 1. Which among the following has the maximum density?
Options- A. Water
- B. Ice
- C. Ethylene
- D. Acetone Discuss
- 2. 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
- 3. Who invented the modern periodic table?
Options- A. Faraday
- B. Mendeleev
- C. Newton
- D. Bohr Discuss
- 4. Which of the following is not a nitrogenous fertiliser?
Options- A. Ammonium sulphate
- B. Urea
- C. Ammonium nitrate
- D. Superphospohate Discuss
- 5. Which one of the following nonmetals shows allotropy in the liquid state?
Options- A. Carbon
- B. Sulphur
- C. Phosphorous
- D. Bromine Discuss
- 6. The most pure form of carbon among the options is
Options- A. Anthracite
- B. Lampblack
- C. Graphite
- D. Wood Charcoal Discuss
- 7. 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
- 8. The nitrogenous waste of Human Beings is
Options- A. Ammonia
- B. Urea
- C. Ammonium Nitrate
- D. Uric Acid Discuss
- 9. ______ is used for making chemical apparatus like beakers, flasks etc.
Options- A. Potash glass
- B. Hard glass
- C. Jena glass
- D. Soda glass Discuss
- 10. Atomic number of which of the following elements is greater than that of Copper?
Options- A. Iron
- B. Chromium
- C. Zinc
- D. Manganese Discuss
Chemistry problems
Search Results
Correct Answer: Water
Correct Answer: Boric acid
Correct Answer: Mendeleev
Correct Answer: Superphospohate
Correct Answer: Sulphur
Correct Answer: Anthracite
Correct Answer: Redox reactions
Correct Answer: Urea
Correct Answer: Hard glass
Correct Answer: Zinc
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