Discussion
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- Question
In vulcanisation, natural rubber is heated with
Options- A. Carbon
- B. Silicon
- C. Sulphur
- D. Phosphorous
- Correct Answer
- Sulphur
- 1. Which is/are the important raw material(s) required in cement industry?
Options- A. Gypsum and Clay
- B. Clay
- C. Limestone and Clay
- D. Limestone Discuss
- 2. Paper is manufactured by
Options- A. Wood and resin
- B. Wood, sodium and bleaching powder
- C. Wood, calcium, hydrogen sulphite and resin
- D. Wood and bleaching powder Discuss
- 3. Optic fibres are mainly used for which of the following?
Options- A. Musical instruments
- B. Food industry
- C. Weaving
- D. Communication Discuss
- 4. Deep blue colour is imparted to glass by the presence of
Options- A. cupric oxide
- B. nickel oxide
- C. cobalt oxide
- D. iron oxide Discuss
- 5. Soap is a mixture of sodium or potassium salts of
Options- A. dicarboxylic acids
- B. monocarboxylic acids
- C. glycerol
- D. tricarboxylic acids Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. Epoxy resins are used as
Options- A. detergents
- B. insecticides
- C. adhesives
- D. moth repellents Discuss
General Science problems
Search Results
Correct Answer: Limestone and Clay
Correct Answer: Wood, calcium, hydrogen sulphite and resin
Correct Answer: Communication
Correct Answer: cobalt oxide
Correct Answer: monocarboxylic acids
Correct Answer: Arsenous oxide
Correct Answer: Sodium or potassium salts of heavier fatty acids
Correct Answer: fertilisers
Correct Answer: sand and silicates
Correct Answer: adhesives
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