Metal Elements MCQs with Answers

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Metal is a substance that is All of these — lustrous, a good conductor of heat and electricity, and malleable and ductile.

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Mercury is the metal used in fluorescent tubes and thermometer bulbs.

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Alkali metals are very reactive, so they are kept in oil to prevent them from reacting with moisture and oxygen in the air.

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Iron is the most widely used metal in the world, accounting for over 90% of global metal consumption by weight.

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Alkali metals have high ionization energy is NOT a characteristic property of alkali metals; they actually possess low ionization energy.

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Compared with alkaline earth metals, alkali metals exhibit lower ionization energy because they have a larger atomic radius and only one valence electron that is easily removed.

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Variable valency is generally exhibited by transition elements due to the availability of electrons in both the outermost and penultimate d-orbitals.

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Al (Aluminium) is a reducing agent because it readily donates electrons and gets oxidized in chemical reactions.

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The purest form of iron is wrought iron, which contains about 99.5% iron with very little carbon.

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The object is a metal, as metals are characteristically shiny (lustrous), malleable, and good conductors of heat and electricity.