The density of gases increases when its ______...? Mcqs

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The density of gases increases when its ______...?

(A) Pressure increased
(B) Temperature increased

(C) Volume increased
(D) None of these

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Sound travel faster in solid as compare to gases because of ______...?

(A) Gas molecules are packed loosely
(B) Sound does not travel faster through a solid than a gas

(C) Solid molecules are packed tightly
(D) Gas molecules move faster

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Amount of pressure of liquid increases with increase of _____...?

(A) Depth
(B) Volume

(C) Temperature
(D) Surface tension

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The solubility of a solute substance increases _____...?

(A) As the liquid cools down
(B) As the liquid becomes more concentrated

(C) As the liquid heats up
(D) As the liquid becomes more diluted

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Stability of a racing car is increased by _______...?

(A) Increasing its height
(B) Raising its centre of gravity

(C) Decreasing its width
(D) Lowering its centre of gravity

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The density of water is __________...?

(A) 1 g/cm3
(B) 1.5 g/cm3

(C) 2 g/cm3
(D) none of these

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At higher altitude, the temperature and density of the air are _____...?

(A) Lower
(B) Higher

(C) Constant
(D) Unchanged

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