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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 516:

The SI unit of pressure is:

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A Mole
B Gram
C Litre
D Pascal

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Question 517:

A gas occupies 64 dm³ at pressure 8 atm. Find the new pressure at 16 dm³.

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A 16 atm
B 8 atm
C 24 atm
D 32 atm

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Question 518:

A gas occupies 25 dm³ at pressure 1 atm. Calculate the pressure at 5 dm³.

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A 5 atm
B 2 atm
C 3 atm
D 4 atm

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Question 519:

The equation commonly used for ideal gases is:

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A V₁/T₁ = V₂/T₂
B P/T = constant
C PV = nRT
D P₁V₁ = P₂V₂

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Question 520:

Which statement best explains the pressure-volume relationship?

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A Pressure stays constant always
B Volume never changes
C Pressure rises as volume falls
D Pressure rises as volume rises

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