Metals are good conductors of electricity because they have free _____...? Mcqs

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Metals are good conductors of electricity because they have free _____...?

(A) Electrons
(B) Protons

(C) Neutrons
(D) Photons

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Source: This question is taken from the Everyday Science

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Most gases conduct electricity at:...?

(A) Normal pressure
(B) Very low pressure

(C) Very high pressure
(D) None of these

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Source: This question is taken from the Everyday Science

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Which metal is pure conductor of electricity...?

(A) Copper
(B) Gold

(C) Silver
(D) lead

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Source: This question is taken from the Everyday Science

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Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________...?

(A) ionic substances
(B) metallic substances

(C) molecular solids
(D) covalent network solids

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Source: This question is taken from the Everyday Science

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Which one of the following non-metals is not a poor conductor of electricity...?

(A) Sulphur
(B) Selenium

(C) Bromine
(D) Phosphorus

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Source: This question is taken from the Everyday Science

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