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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Following are the constituent of polluted air cause of Acid rain except...?

(A) Argon
(B) Nitrogen

(C) Sulphur dioxide
(D) Oxygen

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Weight is the pull of _____ that acts on the mass of an object....?

(A) Stars
(B) Magnet

(C) Gravity
(D) Electrostatic force

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In modern periodic table, how many groups are there...?

(A) 12
(B) 18

(C) 7
(D) 8

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The Genetic constitution of a trait is called _____...?

(A) Genotype
(B) Phenotype

(C) Genome
(D) Phenyl

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Pressure in gases is due to _____...?

(A) Collision of molecules with walls of containers
(B) Vibration of molecules

(C) Rotation of molecules
(D) Electromagnetic attraction between molecules

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When you put a drop of ink into water, why is the colour of ink moving in the glass...?

(A) Due to motion of molecules of water
(B) Due to motion of molecules of ink

(C) Due to gravity
(D) Due to light energy

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Air, water, sun, land, rocks and light etc is/are an examples of...?

(A) Non-Living Components
(B) Abiotic Factors

(C) Biotic Factors
(D) Both A and B

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What is the unit for the spring constant...?

(A) Nm
(B) Nm^-2

(C) Nm^-1
(D) Nm^2

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How many proton and neutron are present in the nucleus of Deuterium isotope...?

(A) 3 and 2
(B) 2 and 3

(C) 1 and 1
(D) 2 and 2

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