Chemistry problems
- 1. The passage of an electric current through a conducting liquid causes ___________.
Options- A. Galvanisation
- B. Evaporation
- C. Physical Reaction
- D. Chemical Reaction Also asked in: Bank Exams
Correct Answer: Chemical Reaction
- 2. Which of the following elements has the lowest melting point?
Options- A. Titanium
- B. Sulphur
- C. Argon
- D. Zinc Also asked in: Bank Exams
Correct Answer: Argon
- 3. Atomic number of which of the following elements is greater than that of Chlorine
Options- A. Potassium
- B. Sulphur
- C. Aluminium
- D. Phosphorus Also asked in: Bank Exams
Correct Answer: Potassium
- 4. _______ is an anaesthetic agent.
Options- A. Acetylene
- B. Glycol
- C. Diethylether
- D. Ethylene Also asked in: Bank Exams
Correct Answer: Diethylether
- 5. Cinnabar is an ore/mineral of
Options- A. Lead
- B. Manganese
- C. Molybdenum
- D. Mercury Also asked in: Bank Exams
Correct Answer: Mercury
- 6. What are Aldehydes ?
Options- A. Mild oxidising agents
- B. Strong oxidising agents
- C. Strong reducing agents
- D. Mild reducing agents Also asked in: Bank Exams
Correct Answer: Strong reducing agents
- 7. Which one of the following is a good electrical conductor?
Options- A. Graphite
- B. Diamond
- C. Peat
- D. Charcoal Also asked in: Bank Exams
Correct Answer: Graphite
- 8. Which of the following is applied on the top of the matchsticks?
Options- A. Red phosphorus
- B. White phosphorus
- C. Potassium sulphate
- D. No option is correct Also asked in: Bank Exams
Correct Answer: Red phosphorus
- 9. Alcohol is more volatile than water because _________ is lower than water
Options- A. its boiling point
- B. its density
- C. its viscosity
- D. its surface tension Also asked in: Bank Exams
Correct Answer: its boiling point
- 10. Which method will be employed to test the hardness of water?
Options- A. Boiling
- B. Distillation
- C. Formation of lather with soap
- D. None of these Also asked in: Bank Exams
Correct Answer: Formation of lather with soap
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