As temperature increases, initially the rate of reaction will _____...? Mcqs

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As temperature increases, initially the rate of reaction will _____...?

(A) Decrease
(B) Remain constant

(C) Fluctuate
(D) Increase

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Which of the following is not a Fat-soluble vitamin...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin D
(D) Vitamin E

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A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...?

(A) 0.63 ms^-2
(B) 1.6 ms^-2

(C) 2.4 ms^-2
(D) 3.2 ms^-2

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Fraction is a force which always opposes...?

(A) Gravity
(B) Motion

(C) Electromagnetism
(D) Inertia

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Which part of a D.C motor reverses the direction of current through the coil every half-cycle...?

(A) The armature
(B) The commutator

(C) The brushes
(D) The slip rings

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An atom has the same number of _____...?

(A) Electrons and Neutrons
(B) Protons and Neutrons

(C) Electrons and Protons
(D) Neutrons and Molecules

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When something changes position, it is in...?

(A) Rest
(B) Friction

(C) Motion
(D) Gravity

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The rod cells of retina are responsible for vision in...?

(A) Bright Light
(B) Dim light

(C) Summary atmosphere
(D) Shiny atmosphere

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Numerical value of ______ remains constant every where....?

(A) g
(B) G

(C) F
(D) W

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Deficiency of vitamin “D” in human body can causes____...?

(A) Gum disease
(B) Skin problem

(C) osteoporosis and fractures
(D) Eye-sighted weakness

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