What does "dehydration" mean...? Mcqs

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What does "dehydration" mean...?

(A) Addition of water

(B) Removal of water

(C) Conversion of water into vapor

(D) Absorption of water

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Source: This question is taken from the Everyday Science

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The metal that is used as a catalyst in the hydrogenation of oils is _______...?

(A) Ni

(B) Pb

(C) Cu

(D) Pt

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Source: This question is taken from the Everyday Science

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