Chemistry problems
- 1. At low temperature, Lead behaves as a :
Options- A. Semi conductor
- B. Super conductor
- C. Insulator
- D. Conductor Also asked in: Bank Exams
Correct Answer: Super conductor
- 2. Which of the following is a natural polymer?
Options- A. Bakelite
- B. Nylon
- C. Polythene
- D. Starch Also asked in: Bank Exams
Correct Answer: Starch
- 3. Which one of the following nonmetals shows allotropy in the liquid state?
Options- A. Carbon
- B. Sulphur
- C. Phosphorous
- D. Bromine Also asked in: Bank Exams
Correct Answer: Sulphur
- 4. Which of the following is not a nitrogenous fertiliser?
Options- A. Ammonium sulphate
- B. Urea
- C. Ammonium nitrate
- D. Superphospohate Also asked in: Bank Exams
Correct Answer: Superphospohate
- 5. Who invented the modern periodic table?
Options- A. Faraday
- B. Mendeleev
- C. Newton
- D. Bohr Also asked in: Bank Exams
Correct Answer: Mendeleev
- 6. 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 Also asked in: Bank Exams
Correct Answer: Boric acid
- 7. Which among the following has the maximum density?
Options- A. Water
- B. Ice
- C. Ethylene
- D. Acetone Also asked in: Bank Exams
Correct Answer: Water
- 8. What is the product formed when sodium bicarbonate is heated strongly?
Options- A. Sodium Carbonate
- B. Sodium Hydroxide
- C. Sodium Peroxide
- D. Sodium Monoxide Also asked in: Bank Exams
Correct Answer: Sodium Carbonate
- 9. The most pure form of carbon among the options is
Options- A. Anthracite
- B. Lampblack
- C. Graphite
- D. Wood Charcoal Also asked in: Bank Exams
Correct Answer: Anthracite
- 10. The reactions in which oxidation and reduction occur simultaneously are called _______.
Options- A. Feral reactions
- B. Redox reactions
- C. Demug reactions
- D. Kerol reactions Also asked in: Bank Exams
Correct Answer: Redox reactions
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