Rusting of Iron involves_______________...? Mcqs

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Rusting of Iron involves_______________...?

(A) Reduction
(B) Oxidation

(C) Decomposition
(D) Displacement

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The process involved in making soap is called...?

(A) saponification
(B) hydrolysis

(C) condensation
(D) polymerisation

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Which body part gets older first...?

(A) Face
(B) Feet

(C) Hands
(D) None of these

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Sequence of changes which occurs between one cell division and the next is called...?

(A) Mitosis
(B) Meiosis

(C) Half cycle
(D) Cell cycle

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He was the first scientist to prove that Planets move around the sun...?

(A) Archimedes
(B) Galileo Galilei

(C) John Kepler
(D) None

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The speed of the sound in diamond is _____...?

(A) 6000 m/s
(B) 12000 m/s

(C) 9000 m/s
(D) 15000 m/s

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Which woody raw material is used for the manufacture of paper pulp...?

(A) Cotton
(B) Poplar

(C) Bagasse
(D) Rice straw

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The comparison of two values is called _____...?

(A) Ratio
(B) Proportion

(C) Graph
(D) Table

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The good sources of iodine are_______...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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The disease “Itai Itai “is caused by____________...?

(A) Carbon
(B) Cadmium

(C) Manganese
(D) None of these

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