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- Question
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.
Options- A. 650
- B. 700
- C. 600
- D. 375
- Correct Answer
- 650
- 1. A standard test for determination of hardness in water is termed as __________ test.
Options- A. EDTA
- B. electometric
- C. total count
- D. presumptive Discuss
- 2. Starting material for the production of butadiene in India is
Options- A. naphthalene
- B. benzol
- C. ethyl alcohol
- D. phthalic anhydride Discuss
- 3. Atomic __________ of an element is a whole number.
Options- A. weight
- B. number
- C. volume
- D. radius Discuss
- 4. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)
Options- A. use coal for heating purpose.
- B. gasify coal to get hydrogen from coal gas.
- C. use coal as filler in fertiliser.
- D. use coal as conditioner in fertiliser. Discuss
- 5. Calcium ammonium nitrate (CAN) is
Options- A. a mixed fertiliser
- B. a straight fertiliser
- C. a complex fertiliser
- D. not a fertiliser ; it is an explosive Discuss
- 6. In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is
Options- A. independent of the temperature.
- B. increased with the increase in pressure.
- C. decreased with the increase in pressure.
- D. unchanged by the pressure change.
- E. none of these Discuss
- 7. __________ liquor is best handled in a long tube vertical evaporator.
Options- A. Foamy
- B. Scaling
- C. Viscous
- D. Salting Discuss
- 8. Pressure of 0.01 psi (absolute) can be measured by __________ gauge.
Options- A. ionisation
- B. Pirani
- C. Mcloid
- D. none of these Discuss
- 9. Addition of filter aid to the slurry before filtration is done to ...... of the cake.
Options- A. increase the porosity
- B. increase the compressibility co-efficient
- C. decrease the porosity
- D. decrease the compressibility co-efficient Discuss
- 10. The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).
Options- A. 20
- B. 230
- C. 750
- D. 1500 Discuss
More questions
Correct Answer: EDTA
Correct Answer: ethyl alcohol
Correct Answer: number
Correct Answer: gasify coal to get hydrogen from coal gas.
Correct Answer: a complex fertiliser
Correct Answer: decreased with the increase in pressure.
Correct Answer: Foamy
Correct Answer: Mcloid
Correct Answer: increase the porosity
Correct Answer: 230
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