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- Question
The combustion reaction, C + O2 = CO2, is
Options- A. exothermic
- B. endothermic
- C. autocatalytic
- D. none of these
- Correct Answer
- exothermic
- 1. Which of the following sugars is the sweetest?
Options- A. Glucose
- B. Fructose
- C. Sucrose
- D. Lactose Discuss
- 2. Oxidation of SO2 to SO3 is favoured by
Options- A. low temperature and low pressure.
- B. low temperature and high pressure.
- C. high temperature and low pressure.
- D. high temperature and high pressure. Discuss
- 3. Which of the following is an organo-metal-lic compound?
Options- A. Isopropyl alcohol
- B. Tetra-ethyl lead
- C. Zeolite
- D. Cumene Discuss
- 4. Gun powder, which is an explosive comprises of charcoal, sulphur and
Options- A. glycerene
- B. salt petre
- C. nitro glycerene
- D. dynamite Discuss
- 5. Pick out the endothermic reaction out of the following.
Options- A. C+½O2 = CO
- B. CO + 3H2 = CH4 + H2O
- C. CaCO3 = CaO + CO2
- D. CO +½O2 = CO2 Discuss
- 6. The drug used in contraceptives is
Options- A. sulphadizene
- B. mestranol
- C. methyl salicylate
- D. pencillin Discuss
- 7. Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Options- A. calcium sulphate
- B. sodium chloride
- C. sodium sulphate
- D. magnesium chloride. Discuss
- 8. Very fine suspended and colloidal impurities are removed from water by a process called
Options- A. sedimentation
- B. coagulation
- C. disinfection
- D. softening Discuss
- 9. Raw materials used for producing __________ cement does not contain iron oxide.
Options- A. waterproof
- B. slag
- C. white
- D. pozzolan Discuss
- 10. Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
Options- A. poor oxidation stability and high gum forming tendency.
- B. greater tendency of decomposition at elevated temperature.
- C. hydrolysis tendency in presence of water.
- D. all (a), (b) and (c). Discuss
Chemical Process problems
Search Results
Correct Answer: Fructose
Correct Answer: low temperature and high pressure.
Correct Answer: Tetra-ethyl lead
Correct Answer: salt petre
Correct Answer: CaCO3 = CaO + CO2
Correct Answer: mestranol
Correct Answer: sodium chloride
Correct Answer: coagulation
Correct Answer: white
Correct Answer: all (a), (b) and (c).
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