Discussion
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- Question
Epoxy resins are used as
Options- A. detergents
- B. insecticides
- C. adhesives
- D. moth repellents
- Correct Answer
- adhesives
- 1. Glass is made of the mixture of
Options- A. quartz and mica
- B. sand and silicates
- C. salt and quartz
- D. sand and salt Discuss
- 2. The vast resources of unutilised natural gas can be used in the production of
Options- A. graphite
- B. Synthetic petroleum
- C. fertilisers
- D. carbide Discuss
- 3. What are the soaps?
Options- A. Salts of silicates
- B. Mixture of glycerol and alcohols
- C. Sodium or potassium salts of heavier fatty acids
- D. Esters of heavy fatty acids Discuss
- 4. Which of the following is used for removing air bubbles from glass during its manufacture?
Options- A. Arsenous oxide
- B. Potassium carbonate
- C. Soda ash
- D. Feldspar Discuss
- 5. In vulcanisation, natural rubber is heated with
Options- A. Carbon
- B. Silicon
- C. Sulphur
- D. Phosphorous Discuss
- 6. The type of glass used in making lenses and prisms is
Options- A. jena glass
- B. soft glass
- C. pyrex glass
- D. flint glass Discuss
- 7. Which of the following is a protein?
Options- A. Natural rubber
- B. Starch
- C. Cellulose
- D. None of these Discuss
- 8. Which one of the following is the petroleum wax?
Options- A. Paraffin wax
- B. Jonoba wax
- C. Carnauba wax
- D. Bees wax Discuss
- 9. Which type of fire extinguisher is used for petroleum fire?
Options- A. Powder type
- B. Liquid type
- C. Soda acid type
- D. Foam type Discuss
- 10. The major ingredient of leather is
Options- A. collagen
- B. carbohydrate
- C. polymer
- D. nucleic acid Discuss
General Science problems
Search Results
Correct Answer: sand and silicates
Correct Answer: fertilisers
Correct Answer: Sodium or potassium salts of heavier fatty acids
Correct Answer: Arsenous oxide
Correct Answer: Sulphur
Correct Answer: flint glass
Correct Answer: Natural rubber
Correct Answer: Paraffin wax
Explanation:
Paraffin wax is obtained from petroleum by dewaxing light lubricating oil stocks. It is used in candles, wax paper, polishes, cosmetics, and electrical insulators. It assists in extracting perfumes from flowers, forms a base for medical ointments, and supplies a waterproof coating for wood. In wood and paper matches, it helps to ignite the matchstick by supplying an easily vaporized hydrocarbon fuel.
Correct Answer: Powder type
Correct Answer: collagen
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