For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________...? Mcqs

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For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________...?

(A) Less than the gravitational potential energy of the body
(B) Equal to the gravitational potential energy of the body

(C) Greater than the gravitational potential energy of the body
(D) None of the above

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The term ‘white coal’ is sometimes referred to which of the following...?

(A) Geothermal energy
(B) Wind energy

(C) Hydroelectricity
(D) Biomass energy

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The rocks formed out of layers of sediment bonded together are known as _______________...?

(A) Metamorphic rocks
(B) Sedimentary rocks

(C) Igneous rocks
(D) All of the above

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Glucose is ______...?

(A) Vitamin
(B) Protein

(C) Carbohydrate
(D) Lipid

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Volcanoes can also be caused by _____ so called ‘hot spots’....?

(A) Ash
(B) Gases

(C) Mantle Plumes
(D) None of these

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Acetic acid is obtained from _____...?

(A) Banana
(B) Dates

(C) Garlic
(D) Vinegar

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In blood, the percentage of water is___________...?

(A) 75%
(B) 85%

(C) 90%
(D) 95%

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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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A magnifying glass is also called ____...?

(A) Endoscope
(B) Simple microscope

(C) Compound microscope
(D) Telescope

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Which of the following have sharp melting point in solids...?

(A) Plastic
(B) Rubber

(C) Glass
(D) Diamond

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