What is the chemical formula of Ozone...? Mcqs

Latest MCQs

What is the chemical formula of Ozone...?

(A) H2O
(B) C12

(C) O3
(D) CH4

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Which of the following is a transition element...?

(A) Cl
(B) Cu

(C) S
(D) None of these

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When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation
(B) water pollution

(C) acid rain
(D) forest fire

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Which of the following is not a water soluble vitamin...?

(A) Tocopherol
(B) Pyridoxine

(C) Pantothenic acid
(D) Niacin

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Which one is not the effect of misuse of antibiotics...?

(A) Diarrhea
(B) Immunization

(C) Stomach upset
(D) Antibiotic resistance

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Amnesia is related to:__________...?

(A) Sleeping sickness
(B) Loss of sight

(C) Loss of hearing
(D) Loss of memory

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Which of the following is not a chemical reaction ...?

(A) Burning of coal
(B) Conversion of water into steam

(C) Digestion of food
(D) Burning of paper

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All electromagnetic waves travel through a vacuum at ______...?

(A) The different speed
(B) The same speed

(C) The increasing speed
(D) The decreasing speed

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During winter in cold countries, the __________ is mixed to melt the ice on the icy roads....?

(A) Salt
(B) Chlorine

(C) Carbon dioxide
(D) Water

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The molecular mass of Water molecule is __________...?

(A) 16amu
(B) 17amu

(C) 18amu
(D) 20amu

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