Which of the following does not pollute the air...? Mcqs

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Which of the following does not pollute the air...?

(A) Nitrogen Dioxide
(B) Sulfur dioxide

(C) Carbon dioxide
(D) none of these

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Which of the following is the most stable element...?

(A) Uranium
(B) Hydrogen

(C) Oxygen
(D) Lead

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What is the name of the branch of the science that studies the ocean...?

(A) Oceanography
(B) Algology

(C) Phology
(D) Orintology

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The properties used for heat...?

(A) Hot, Energy, Cold
(B) Color, Smell, Sound

(C) , Heavy, Light, Hard
(D) Circle, Square, Point

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The cooling fins at the back of refrigerator are made of black and rough surface because ____...?

(A) They are good conductors of heat
(B) They are good radiators of heat

(C) They are good insulators of heat
(D) They are not important for heat transfer

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Which of the following ethical issues form the foremost part of the Hippocratic Oath...?

(A) Confidentiality
(B) Plagiarism

(C) Advertising
(D) Doctor's rights

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Isotopes of an element are identical in ____...?

(A) Mass number
(B) Electron number

(C) Valency
(D) Atomic number

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According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________...?

(A) 1 hours
(B) 5 hours

(C) 10 hours
(D) 15 hours

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The scientific study of measurement is known as __________...?

(A) Entomology
(B) Metrology

(C) Ichthyology
(D) Ecology

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______________ is used for measuring velocity...?

(A) Speedometer
(B) Anemometer

(C) Odometer
(D) Hygrometer

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