In an oil lamp, the oil rises up in the wick due to...? Mcqs

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In an oil lamp, the oil rises up in the wick due to...?

(A) Capillary action
(B) Atmospheric pressure

(C) Viscosity of oil
(D) Change in temperature

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Only object of earth can be seen from Moon What it is...?

(A) Hanging Garden
(B) Light House

(C) Wall of China
(D) A Squire

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In constructive reaction _____ molecules are formed....?

(A) Small
(B) Medium

(C) Equal
(D) Large

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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The chief ingredient of the mosquito repellent cream is derived from...?

(A) Lemon
(B) Neem tree

(C) Rice bran
(D) Tulsi

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Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

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Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine
(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder
(D) Evaporation of alcohol

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What will be the result if you put yeast in dough...?

(A) The dough will become sour
(B) The dough will become harder

(C) The dough will become smaller
(D) The carbon dioxide will be released

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Another name of vitamin C is__________...?

(A) Ascorbic Acid
(B) Acitic Acid

(C) Citric Acid
(D) Lysozyme

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Which substance is the most alkaline...?

(A) Milk
(B) Blood

(C) Ammonia
(D) Organic juice

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