A device which converts chemical energy into electrical energy is called __________...? Mcqs

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A device which converts chemical energy into electrical energy is called __________...?

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

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All of the following foods lack vitamin C, except...?

(A) Cheese
(B) Milk

(C) Rice
(D) None of these

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same
(B) Decreases by 2

(C) Increases by 1
(D) Decreases by 4

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Which group of compounds constitute carbohydrates...?

(A) Sugar and proteins
(B) Starch and proteins

(C) Starch and sugar
(D) None of these

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On heating the particles in the ice cubes will gain energy, move faster and change to liquid water. This is called...?

(A) Freezing
(B) Melting

(C) Boiling
(D) Condensation

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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Refrigerator works on the phenomenon of ________ of heat transfer....?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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Law of independent Assortment was given by :...?

(A) Gregor Mendal
(B) fariady

(C) Mendala
(D) None

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Splitting of water in presence of light called...?

(A) Hydrolysis
(B) Glycolysis

(C) Photolysis
(D) None of these

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Force per unit area is called _____...?

(A) Volume
(B) Density

(C) Velocity
(D) Pressure

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