Discussion
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- Question
Which of the following is not an Igneous Rock?
Options- A. Dolomite
- B. Granite
- C. Basalt
- D. Gabbro
- Correct Answer
- Dolomite
- 1. When ice cubes are made, the entropy of water
Options- A. does not change
- B. decreases
- C. increases
- D. may either increase or decrease depending on the process used Discuss
- 2. In water treatment plant, use of chloramines ensures __________
Options- A. taste and odour control
- B. weed control in reservoirs
- C. disinfection
- D. removal of permanent hardness Discuss
- 3. Which one of the following is commonly used for pulp bleaching in the paper industry?
Options- A. Mild sulphuric acid
- B. Glucose isomerase
- C. peroxide
- D. Iodine and water Discuss
- 4. The maximum fixation of solar energy is done by
Options- A. Bacteria
- B. Protozoa
- C. Fungi
- D. Green plants Discuss
- 5. Which of the following acts as best adsorbent?
Options- A. Charcoal
- B. Activated Charcoal
- C. Activated Coconut Charcoal
- D. Carbon black Discuss
- 6. Which of the following gases is known as "Laughing Gas"?
Options- A. Nitrous oxide
- B. Nitrogen peroxide
- C. Nitrogen
- D. Nitric oxide Discuss
- 7. Most liquids that conduct electricity are solutions of acids, bases and ______.
Options- A. Copper
- B. Aluminium
- C. Salts
- D. Iron Discuss
- 8. Which base is present in milk of magnesia?
Options- A. Magnesium hydroxide
- B. Ammonium hydroxide
- C. Sodium hydroxide
- D. Calcium hydroxide Discuss
- 9. Uranium found in Ladakh is an example of which type of resource?
Options- A. unnatural resources
- B. Actual resources
- C. Potential resources
- D. Biotic resources Discuss
- 10. What is used to prevent freezing of fuel in space crafts?
Options- A. Benzene
- B. Glycol
- C. Acetylene
- D. Ester Discuss
Chemistry problems
Search Results
Correct Answer: decreases
Correct Answer: disinfection
Correct Answer: peroxide
Correct Answer: Green plants
Correct Answer: Activated Coconut Charcoal
Correct Answer: Nitrous oxide
Correct Answer: Salts
Correct Answer: Magnesium hydroxide
Correct Answer: Potential resources
Correct Answer: Glycol
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