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- Question
What is dry ice?
Options- A. Solid Carbon dioxide
- B. Solid Nitrogen dioxide
- C. Solid Sulphur dioxide
- D. Solid Water
- Correct Answer
- Solid Carbon dioxide
- 1. Which among the following metal is used for galvanization?
Options- A. Zinc
- B. Copper
- C. Iron
- D. Silver Discuss
- 2. Hydrogenation process is associated with which of the following?
Options- A. Rubber
- B. Petroleum
- C. Copper
- D. Edible fats Discuss
- 3. ........... compound is used as a drying agent.
Options- A. Calcium oxide
- B. Calcium carbide
- C. Gypsum
- D. Calcium carbonate Discuss
- 4. Which of the following inert gases is placed in period 4 of the periodic table?
Options- A. Kr
- B. Rn
- C. Xe
- D. Ar Discuss
- 5. Which chemical is present in the cells of cork of tree which makes them impervious to gases and water
Options- A. Cellulose
- B. Suberin
- C. Pectin
- D. Lignin Discuss
- 6. The depletion in Ozone layer is caused by ___________ .
Options- A. Nitrous oxide
- B. Carbon dioxide
- C. Chlorofluorocarbons
- D. Methane Discuss
- 7. The commonly used coolant in refrigerators is
Options- A. Ammonia
- B. Nitrogen
- C. Freon
- D. Oxygen Discuss
- 8. Which one of the following is an ohmic conductor?
Options- A. Germanium
- B. Silicon
- C. Carbon
- D. Silver Discuss
- 9. In which of the following MgCl2 is soluble?
Options- A. Petrol
- B. Acetone
- C. Kerosene
- D. Water Discuss
- 10. Potassium Permanganate is used for purifying drinking water, because________
Options- A. It is a reducing agent
- B. It is an oxidising agent
- C. It is a sterilising agent
- D. It dissolves the impurities of water Discuss
Chemistry problems
Search Results
Correct Answer: Zinc
Correct Answer: Edible fats
Correct Answer: Calcium oxide
Correct Answer: Kr
Correct Answer: Suberin
Correct Answer: Chlorofluorocarbons
Correct Answer: Freon
Correct Answer: Silver
Correct Answer: Water
Correct Answer: It is an oxidising agent
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