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- Question
........... compound is used as a drying agent.
Options- A. Calcium oxide
- B. Calcium carbide
- C. Gypsum
- D. Calcium carbonate
- Correct Answer
- Calcium oxide
- 1. 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
- 2. 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
- 3. Rayon is chemically
Options- A. Glucose
- B. Amylase
- C. Cellulose
- D. Pectin Discuss
- 4. Energy transfer by convection is primarily restricted to
Options- A. fluids
- B. solids
- C. liquids
- D. gases Discuss
- 5. Another name for the activated complex is
Options- A. Transmission state
- B. Energy barrier
- C. Collision group
- D. Transition state Discuss
- 6. Hydrogenation process is associated with which of the following?
Options- A. Rubber
- B. Petroleum
- C. Copper
- D. Edible fats Discuss
- 7. Which among the following metal is used for galvanization?
Options- A. Zinc
- B. Copper
- C. Iron
- D. Silver Discuss
- 8. What is dry ice?
Options- A. Solid Carbon dioxide
- B. Solid Nitrogen dioxide
- C. Solid Sulphur dioxide
- D. Solid Water Discuss
- 9. The depletion in Ozone layer is caused by ___________ .
Options- A. Nitrous oxide
- B. Carbon dioxide
- C. Chlorofluorocarbons
- D. Methane Discuss
- 10. The commonly used coolant in refrigerators is
Options- A. Ammonia
- B. Nitrogen
- C. Freon
- D. Oxygen Discuss
Chemistry problems
Search Results
Correct Answer: Kr
Correct Answer: Suberin
Correct Answer: Cellulose
Correct Answer: fluids
Explanation:
Convection is the mode of heat transfer which involves bulk motion of a fluid to transfer heat. Energy transfer by convection is primarily restricted to fluids. Fluids can be both liquids and gases.
Correct Answer: Transition state
Correct Answer: Edible fats
Correct Answer: Zinc
Correct Answer: Solid Carbon dioxide
Correct Answer: Chlorofluorocarbons
Correct Answer: Freon
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