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- Question
Styrene butadiene rubber is commercially manufactured by
Options- A. bulk polymerisation
- B. suspension polymerisation
- C. solution polymerisation
- D. emulsion polymerisation
- Correct Answer
- emulsion polymerisation
- 1. Measurement of the amount of dry gas collected over water from volume of moist gas is based on the
Options- A. Charle's law.
- B. Dalton's law of partial pressures.
- C. Avogadro's hypothesis.
- D. Boyle's law. Discuss
- 2. Uranium ore is currently mined & concentrated at
Options- A. Jadugoda
- B. Ghatsila
- C. Khetri
- D. Alwaye Discuss
- 3. Noise pollution level in a chemical plant is expressed in
Options- A. roentgen
- B. decibel
- C. hertz
- D. none of these Discuss
- 4. With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction
Options- A. decreases
- B. increases
- C. remains unaffected
- D. increases linearly with temperature Discuss
- 5. Validity of the relationship, inputs = outputs, holds good for the system at steady state
Options- A. with chemical reaction.
- B. without chemical reaction.
- C. without chemical reaction & losses.
- D. none of these. Discuss
- 6. The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to
Options- A. 1.5
- B. 15
- C. 150
- D. 1500 Discuss
- 7. Prilling tower is found in the flowsheet for the manufacture of
Options- A. ammonia
- B. urea
- C. superphosphate
- D. triple superphosphate Discuss
- 8. 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust.
Options- A. coal
- B. uranium ore
- C. iron ore
- D. lime Discuss
- 9. Internal energy of a substance comprises of the __________ energy.
Options- A. vibrational
- B. rotational
- C. translational
- D. all (a), (b) & (c) Discuss
- 10. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
Options- A. stabilisation
- B. increasing the effectiveness
- C. improving the strength & heat resistance
- D. all a, b & c Discuss
More questions
Correct Answer: Dalton's law of partial pressures.
Correct Answer: Jadugoda
Correct Answer: decibel
Correct Answer: decreases
Correct Answer: without chemical reaction & losses.
Correct Answer: 1500
Correct Answer: urea
Correct Answer: coal
Correct Answer: all (a), (b) & (c)
Correct Answer: all a, b & c
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