Cambridge Programs Online Courses

O Level Chemistry Quizzes

O Level Chemistry MCQs - Complete

Pure Substances and Mixtures Multiple Choice Questions PDF p. 110

Solve Pure Substances and Mixtures multiple choice questions and answers, pure substances and mixtures quiz answers PDF 110 to learn O Level Chemistry course for college certification. Learn Methods of purification MCQ questions bank, pure substances and mixtures Multiple Choice Questions (MCQ) for online college degrees. "Pure substances and mixtures MCQ" PDF book: electrolyte and non electrolyte, fast and slow reactions, protons, neutrons and electrons, separating funnel, pure substances and mixtures test prep for GRE subject tests.

"The melting point of silicon is", pure substances and mixtures Multiple Choice Questions (MCQ) with choices 110 °c, 410 °c, 140 °c, and 1410 °c for two year online colleges. Solve methods of purification questions and answers to improve problem solving skills for best GRE prep courses online.

Pure Substances & Mixtures Questions and Answers

1.

The melting point of silicon is

410 °C
110 °C
140 °C
1410 °C

2.

Through the separating funnel, immiscible solutions

cannot be dissolved
cannot be separated completely
can be easily decanted
can be centrifuged

3.

Mass of an electron is

11840 of a proton only
11840 of a neutron only
1860 times of a proton
11840 of a proton and neutron

4.

Monosodium Glutamate (MSG) is added in food for what?

preservation
flavoring
quick cooking
Decolourization

5.

In electrolysis of dilute HCl, at the cathode

oxygen gas is given off
hydrogen gas is given off
chlorine gas is given off at anode
hydrogen chloride is given off