What is the molecular formula for Nitric acid ________ ...? Mcqs

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What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

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Animals, plants, human beings and microorganisms etc is/are an examples of...?

(A) Living Components
(B) Biotic Factors

(C) Both A and B
(D) Abiotic Factors

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As you go down into a well, your weight__________...?

(A) Slightly increases
(B) Slightly decreases

(C) Remains the same
(D) None of these

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As temperature increases, initially the rate of reaction will _____...?

(A) Decrease
(B) Remain constant

(C) Fluctuate
(D) Increase

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Development of calf muscles in ladies who wear high heel sandals is common example of ...?

(A) Natural selection
(B) Artificial selection

(C) Use & disuse of organ
(D) Inheritance of acquired character

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Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density...?

(A) Graham’s Law
(B) Gay-Lussac’s law

(C) Boyle’s law
(D) None of these

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What happens to a person who receives the wrong type of blood...?

(A) All the arteries constrict
(B) All the arteries dialates

(C) The RBCs agglutinate
(D) The spleen and lymphnodes deteriorate

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Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

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Humans can hear in the range of ______ to _______Hertz (Hz)....?

(A) 10 Hz to 10,000 Hz.
(B) 20 Hz to 20,000 Hz.

(C) 30 Hz to 30,000 Hz.
(D) 40 Hz to 40,000 Hz.

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Which is the purest form of water...?

(A) Rain water
(B) Heavy water

(C) Tap water
(D) None of these

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