In an acidic medium, methyl orange is orange (red) and in a basic medium, it is...? Mcqs

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In an acidic medium, methyl orange is orange (red) and in a basic medium, it is...?

(A) Red
(B) Yellow

(C) Pink
(D) Blue

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The process which is essential for continuing and survival of species is _____...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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In an atom, the nucleus when compared to the extra-nuclear part, is _____...?

(A) More significant in volume and heavier in mass
(B) Smaller in volume and lighter in mass

(C) Smaller in volume but heavier in mass
(D) More significant in volume but lighter in mass

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The network of blood capillaries present in the layer of skin ______...?

(A) Epidermis
(B) Dermis

(C) Hypodermis
(D) Endodermis

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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 audible range of normal cat ear is _______...?

(A) 10 Hz to 31kHz
(B) 67 Hz to 45kHz

(C) 20 Hz to 20kHz
(D) 45 Hz to 64kHz

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The mineral ion responsible for the conduction of nerve impulses is...?

(A) Calcium
(B) Sodium

(C) Potassium
(D) None of these

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The unit of Kc for reaction N2 + O2 ⇌ 2NO...?

(A) mol dm^-3
(B) mol^-2 dm^6

(C) mol^-1dm3
(D) No unit

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The chemical name of “Acid” (Tezaab) is___________...?

(A) Sulfuric acid
(B) Sodium chloride

(C) Citric Acid
(D) None of these

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Which of the following is used in beauty parlours for hair setting...?

(A) Silicon
(B) Chlorine

(C) Sulphur
(D) Phosphorus

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