Evaporation from ice and snow is known as___________...? Mcqs

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Evaporation from ice and snow is known as___________...?

(A) evaporation
(B) sublimation

(C) hydrogenation
(D) insolation

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Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ...?

(A) Zeolites
(B) Sulphonides

(C) Lime
(D) Nitrates

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What is the main function of red blood cells in the human body...?

(A) Transportation of carbon monoxide
(B) Transportation of oxygen

(C) Transportation of carbon dioxide
(D) Transportation of methane

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The poisonous gas which is the main byproduct of motor vehicle with irritating smell is...?

(A) Carbon Dioxide
(B) Carbon Monoxide

(C) Nitrogen Oxide
(D) Sulfur Dioxide

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The electronic that have been knocked out of the outer most shell of an atom are known as...?

(A) Free Electrons
(B) Valence Electrons

(C) Core Electrons
(D) Conductors

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The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is...?

(A) 220 Hz
(B) 440 Hz

(C) 320 Hz
(D) 620 Hz

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The speed of sound is maximum in _____...?

(A) Gases
(B) Solids

(C) Liquids
(D) Plasma

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At which temperature does bacteria die...?

(A) 102F
(B) 106F

(C) 149F
(D) None of These

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Scurvy is caused due to the deficiency of ___________...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin C
(D) None of these

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Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy...?

(A) radio, visible, infrared, ultraviolet, x-ray, gamma ray
(B) radio, infrared, visible, x-ray, gamma ray, ultraviolet

(C) visible, radio, infrared, ultraviolet, x-ray, gamma ray
(D) radio, infrared, visible, ultraviolet, x-ray, gamma ray

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