Which one of the following represents a chemical change_________...? Mcqs

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Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine
(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder
(D) Evaporation of alcohol

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Snowfall is required from alleviation of mountain ______...?

(A) 36 - 38 degree
(B) 30 - 34 degree

(C) 38 - 40 degree
(D) None of these

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Which Part of the Brain Regulates Body Temperature...?

(A) cerebellum
(B) cerebrum

(C) hypothalamus
(D) medulla

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The gases which are used by drivers as an artificial atmosphere are helium and_____________...?

(A) Nitrogen
(B) Oxygen

(C) Neon
(D) Carbon monoxide

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Which of the following ocean is the warmest ocean of the world...?

(A) Indian Ocean
(B) Arctic Ocean

(C) North Pacific Ocean
(D) None of the above

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Which one is a vector quantity...?

(A) Mass
(B) Weight

(C) Time
(D) Temperature

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The study of the structure of the body is called _______ ...?

(A) Anthropobiology
(B) Anatomy

(C) Aphnology
(D) Apiology

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Which one of the following can be synthesized by Liver _______...?

(A) Vitamin B6
(B) Vitamin B12

(C) Vitamin K
(D) Vitamin E

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Alcohol and antibiotics on large scale production by organism is an area of ______...?

(A) Environmental biotechnology
(B) Fermentation

(C) Biotechnology in industry
(D) Medicinal biotechnology

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The reaction which releases or gives off heat is called...?

(A) Exothermic Reaction
(B) Endothermic Reaction

(C) Oxidation Reaction
(D) Neutralization Reaction

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