Covalent network crystals have_____________...? Mcqs

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

Covalent network crystals have_____________...?

(A) higher melting point then molecular crystals
(B) lower melting point then molecular crystals

(C) discrete molecules linked by Van der waals forces
(D) hydrogen bonding

✅ Correct Answer: higher melting point then molecular crystals

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Source: This question is taken from the Everyday Science

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

DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

✅ Correct Answer: A class of nucleic acids

Comments

Source: This question is taken from the Everyday Science

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

Ionic crystals have ______...?

(A) High melting points
(B) Moderate melting points

(C) Low melting points
(D) None of above

✅ Correct Answer: High melting points

Comments

Source: This question is taken from the Everyday Science

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