Stoichiometry MCQ Questions & Answers

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Each section contains 100 MCQs on Stoichiometry .

Kinetic theory of gases stipulates that, the

A) Energy is lost during molecular collisions B) Molecules possess appreciable volume C) Absolute temperature is a measure of the kinetic energy of molecules D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?

A) 273°C B) 273°K C) 100°C D) 200°C

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is

A) $$\frac{1}{2}$$ B) $$\frac{1}{3}$$ C) $$\frac{1}{4}$$ D) $$\frac{2}{3}$$

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The vapor pressure of water at 100°C is

A) 100 N/m² B) 76 cms of Hg C) 13.6 cms of Hg D) 760 mm wc

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A bypass stream in a chemical process is useful, because it

A) Facilitates better control of the process B) Improves the conversion C) Increases the yield of products D) None of these

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following ratios defines the recycle ratio in a chemical process?

A) Gross feed stream/recycle feed stream B) Recycle stream/fresh feed stream C) Recycle stream/gross feed stream D) None of these

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Heat of reaction is a function of the

A) Pressure B) Temperature C) Both(a)&(b) D) Neither (a) nor (b)

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Answer & Solution

Answer: Option C

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Heat of reaction is not influenced by

A) The route/method through which final products are obtained B) The physical state (e.g., solid, liquid or gaseous) of reactants and products C) Whether the reaction is carried out at constant temperature or constant pressure D) None of these

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Answer & Solution

Answer: Option A

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Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules

A) Do not lose energy on collision B) Are above the inversion temperature C) Do not exert attractive force on each other D) Do work equal to loss in kinetic energy

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature?

A) Chlorine B) Nitrogen C) Ethane D) All of the above

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Stoichiometry MCQ Questions & Answers | Chemical Engineering