What does "dehydration" mean...? Mcqs

PPSC Past Papers

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What does "dehydration" mean...?

(A) Addition of water
(B) Removal of water

(C) Conversion of water into vapor
(D) Absorption of water

✅ Correct Answer: Removal of water

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

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

(A) Ni
(B) Pb

(C) Cu
(D) Pt

✅ Correct Answer: Ni

Comments

Source: This question is taken from the Everyday Science

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