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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Latest MCQs

Which of the part of tongue bears cells for sour taste...?

(A) Front
(B) Back

(C) Sides
(D) Middle

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Who discovered the Polio Vaccine...?

(A) Jonas Salk
(B) Jaber Ibn Hayan

(C) Selman Waksman
(D) None of these

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What type of energy wind produces which is used to rotate the blades of fan of energy system...?

(A) Potential energy
(B) Kinetic energy

(C) Thermal energy
(D) Electrical energy

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The vitamin which is generally excreted by humans in urine is__________...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin B12
(D) Vitamin C

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Ohm's law states that _______...?

(A) Resistance increases as current increases
(B) Resistance decreases as current increases

(C) Resistance increases as voltage increases
(D) Current increases as voltage increases

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Night vision is possible with the help of ___________...?

(A) Red light
(B) Violet light

(C) Infrared Rays
(D) Ultra violet Light

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__________ is the lowest layer of the atmosphere....?

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

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What is the magnetic field at any point in the open space inside the toroid...?

(A) zero
(B) one

(C) Depends on the current in the turns
(D) Depends on number of turns

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All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

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