What is the molecular weight of Ammonia (NH3) ________ ...? Mcqs

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What is the molecular weight of Ammonia (NH3) ________ ...?

(A) 17.031 g/mol
(B) 18.031 g/mol

(C) 19.031 g/mol
(D) 27.033 g/mol

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‘Cyborg’ term mostly used in Science-fiction movies describes:...?

(A) A human being whose physiological functions are aided by artificial means
(B) A Bionic Human

(C) An individual with artificial parts
(D) All of Above

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The strongest part(s) of a magnet is/are _________...?

(A) North pole
(B) South pole

(C) North and south pole
(D) Median of north and south pole

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Final step of the scientific method is developing...?

(A) Hypothesis
(B) Research

(C) Conclusion
(D) Observation

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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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Chromosomes consist of two genetically identical copies of thread called...?

(A) Chromonema
(B) Chromosomes

(C) Chromatids
(D) Chromatin

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How long does the Earth take to complete one rotation...?

(A) 23 hours 59 minutes 59 seconds
(B) 24 hours 00 minutes 00 seconds

(C) 23 hours 56 minutes 04 seconds
(D) 24 hours 01 minutes 01 seconds

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Salt dissolution in water, actually represents solute and solvent combination of _____...?

(A) Solid liquid solution
(B) Solid solid solution

(C) Liquid liquid solution
(D) Gas liquid solution

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Scientific name of any organism should be _____ when printed....?

(A) Bold
(B) Italicized

(C) Underlined
(D) Capitalized

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If a machine performs 20 J of work in 10 sec. then it power is ______...?

(A) 200 watt
(B) 20 watt

(C) 2 watt
(D) 0.2 watt

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