Which one of the following statements is false about dynamic equilibrium...? Mcqs

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Which one of the following statements is false about dynamic equilibrium...?

(A) It takes place in a close container
(B) Concentration of reactant and products are not changed

(C) Rate of forward reaction is equal to rate of reverse reaction
(D) Equilibrium cannot be disturbed by any external stress

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The chemical name of chalk is...?

(A) Sodium nitrate
(B) Zinc sulfate

(C) Sulphuric acid
(D) Calcium carbonate

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Layer of atmosphere which separates stratosphere and troposphere is known as...?

(A) Tropo-pause
(B) Mesopause

(C) Stratopause
(D) Thermopause

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Linear thermal expansion of a solid depend upon ____...?

(A) Increasing in temperature
(B) Original length

(C) Properties of material
(D) All of these

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The distance of mercury from sun is__________...?

(A) 56 million km
(B) 57.9 million km

(C) 58.9 million km
(D) 59.1 million

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Which one of the following is not a sign of chemical change...?

(A) No change in composition
(B) A release of gas

(C) Change in colour, temperature, smell
(D) Production of a new material

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Which is the renewable source of energy...?

(A) Solar and wind
(B) Coal

(C) Natural gas
(D) Petroleum

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Summer solstice means__________...?

(A) longest day
(B) longest night

(C) smallest day
(D) none of these

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Nuclei having the same nuclear charge but different masses are called ____...?

(A) Isobars
(B) Isotopes

(C) Isoelectronic
(D) Isomers

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In an oxidation process 14135KJ energy is release, how many moles of glucose consume during this process...?

(A) 1
(B) 3

(C) 5
(D) 10

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