Laughing gas has chemical composition of following two elements ...? Mcqs

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Laughing gas has chemical composition of following two elements ...?

(A) Nitrogen + Hydrogen
(B) Nitrogen + Carbon

(C) Nitrogen + Oxygen
(D) Oxygen + Carbon

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In which system of units, gas bills are charged...?

(A) SI
(B) CGS

(C) BTU
(D) CNG

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The unit of home electricity energy consumption is ...?

(A) Watt hour
(B) Joule hour

(C) Killowatt hour
(D) Kilo joule hour

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In radiation, which of the following has strong photons...?

(A) X-Rays
(B) Gamma

(C) Microwave
(D) Electromagnetic

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What is the one of the other name of Vitamin “A”...?

(A) Riboflavin
(B) Ascorbic Acid

(C) Retinol
(D) Thiamin

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Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

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The process which is essential for continuing and survival of species is __________...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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Which of the following is made up of Calcium...?

(A) Plasma
(B) Bile

(C) Blood
(D) Teeth

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Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body...?

(A) Brass
(B) Pectora

(C) Interstitium
(D) Otic

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What is unit of Pressure...?

(A) Barr
(B) Torr

(C) Pascal
(D) All of these

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