When water is filled in a bottle and is allowed to freeze, the bottle breaks because...? Mcqs

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When water is filled in a bottle and is allowed to freeze, the bottle breaks because...?

(A) Water expands on freezing
(B) Bottle contracts at freezing point

(C) temperature outside the bottle is less than that inside the bottle.
(D) None of the above

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In general, Comets have __________ orbits...?

(A) Elliptical
(B) Highly elliptical

(C) Circular
(D) Parabolic

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1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

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An atom is neutral but when an atom or molecule that carries net electric due to gain or loss of an electron is called an...?

(A) Ion
(B) Molecule

(C) Anion
(D) Cation

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The moon’s surface is also covered with a layer of fine dust called...?

(A) Gegolith
(B) Megolith

(C) Regolith
(D) None of the above

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Which method can be used to get drinking water from sea water...?

(A) Filtration
(B) Sublimation

(C) Crystallization
(D) Distillation

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The process of emission of electrons from the hot metal surfaces is called...?

(A) Plastic emission
(B) Thermionic emission

(C) Static emission
(D) Current emission

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The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________...?

(A) Selection
(B) Introduction

(C) Acclimatization
(D) Quarantine

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What is the nature of pH of Milk...?

(A) Slightly Acidic
(B) Slightly Basic

(C) Highly Acidic
(D) Highly Basic

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Involuntary muscles in a human body are present in__________...?

(A) Brain
(B) Tongue

(C) Digestive system
(D) Limbs

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