In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...? Mcqs

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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When were blue jeans invented in _________...?

(A) 1900s
(B) 1860s

(C) 1870s
(D) 1850s

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If you travel to the Moon your weight will change because:...?

(A) The pull of gravity is weaker there than on Earth
(B) The pull of gravity is stronger there than on Earth

(C) The pull of space is stronger than on earth
(D) The pull of Sun is bigger than on Earth

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When light strikes an opaque object, the light is blocked, thus a ________ is formed on the opposite side of the object....?

(A) Reflection
(B) Refraction

(C) Image
(D) Shadow

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The chief constituents of gobar gas is_________...?

(A) Methane
(B) Oxygen

(C) Hydrogen
(D) Carbon monoxide

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Which reproduction performed by flowers...?

(A) Asexual Reproduction
(B) Binary Fission

(C) Sexual Reproduction
(D) Fragmentation

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Red + Green + Blue = ________...?

(A) Maroon
(B) White

(C) Black
(D) None of the above

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What is the particle size in suspension...?

(A) 10 nm^3
(B) 10 nm^2

(C) Less than 10 nm^3
(D) Greater than 10 nm^3

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Deficiency of vitamin E in the human body causes __________...?

(A) Muscle weakness and vision problem
(B) Bone problem

(C) Rickets
(D) Osteoporosis

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Gold and Silver are known as _________ metals ...?

(A) Coinage metals
(B) Noble metals

(C) Both A & B
(D) None of these

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