The gas used in a refrigerator to cool water is___________...? Mcqs

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The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

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There are three types of plate boundaries i.e Divergent, Convergent and____________...?

(A) Normal
(B) Transform

(C) Complex
(D) Plain

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A body is in equilibrium when it has ______...?

(A) Uniform speed
(B) Uniform acceleration

(C) Both a and b
(D) Zero acceleration

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Which of the following statements is true when we see ‘rainbow’ ...?

(A) We face sun and raindrops
(B) The Sun remains behind us and we face raindrops

(C) In light rainfall, we face Sun
(D) The sky remains clear and the sun is at lower position in the sky

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The audible range of normal dolphin ear is ____...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 Hz to 100 kHz
(D) 20 Hz to 50 KHz

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The particles in Gas have the following movement...?

(A) Move randomly with unlimited space
(B) Move freely in any direction at long distances

(C) Both A and B
(D) None

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An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as...?

(A) Pollutant
(B) Pollution

(C) Climate Change
(D) Global Warning

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One gram of carbohydrates give energy of the amount...?

(A) 2 K Calories
(B) 4.1 K Calories

(C) 6.3 K Calories
(D) 8.0 K Calories

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ECG is used for the diagnosis of aliments of ...?

(A) Brain
(B) Heart

(C) Kidneys
(D) Lungs

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E.coli is an example of...?

(A) Algae
(B) Fungi

(C) Bacteria
(D) Virus

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