O Level

Chemistry MCQs

O Level Chemistry MCQs - Subtopic

Molecules and Macromolecules MCQ with Answers

Molecules and Macromolecules Multiple Choice Questions (MCQ) to solve molecules and macromolecules quiz answers PDF worksheet, O level chemistry test for online courses. Practice chemical bonding and structure Multiple Choice Questions and Answers (MCQs), "Molecules and Macromolecules" quiz questions and answers for ACT prep classes. Learn ionic and covalent substances, ionic compounds: crystal lattices, polarization test prep for SAT subject test tutoring.

"Melting point of silica (SiO2) is" Multiple Choice Questions (MCQ) on molecules and macromolecules with choices 1650 °c, 1660 °c, 1700 °c, and 1760 °c for ACT prep classes. Solve molecules and macromolecules quiz questions for merit scholarship test and certificate programs for online degrees.

MCQs on Molecules and Macromolecules


Melting point of silica (SiO2) is

1650 °C
1660 °C
1700 °C
1760 °C


A shared pair of electrons like Cl2 forms

ionic bonds
single covalent bond
double covalent bond
dative bond


Graphite is a good conductor of electricity due to

strong electrostatic bonding
free localized bonds
free delocalized electrons
tetrahedral arrangement of particles


The way atoms join together and combine is called

dative bond


In formic an ionic bond Magnesium Oxide (MgO), Magnesium

loses 1 electron
loses 2 electrons
gains 1 electron
gains 2 electros