Cambridge IGCSE GCSE

O Level Chemistry Quizzes

O Level Chemistry Quiz Answers - Complete

Atoms and Elements Interview Questions with Answers PDF p. 171

Atoms and Elements interview questions and answers, atoms and elements trivia questions PDF 171 to learn online O Level Chemistry course for online classes. Elements, Compounds and Mixtures MCQ questions, atoms and elements Multiple Choice Questions (MCQ) for online college degrees. "Atoms and Elements " Book PDF: ionic and covalent substances, dissolving, filtering and evaporating, molecules and covalent bonds, acidity or alkalinity, atoms and elements test prep for two year online colleges.

"The most common element in the air is" MCQ PDF: nitrogen, hydrogen, oxygen, and carbon for online degree programs. Study elements, compounds and mixtures questions and answers to improve problem solving skills for ACT test.

Trivia Quiz on Atoms & Elements MCQs

MCQ: The most common element in the air is

hydrogen
nitrogen
oxygen
carbon

MCQ: Each color is associated with a particular pH in

litmus indicator
universal indicator
methyl orange indicator
Phenolphthalein indicators

MCQ: In Oxygen molecule (O2), stability is gained through sharing of

one electron
two electrons
three electrons
four electrons

MCQ: Crystallization is used to purify

sugar only
fertilizers only
salt from solution
sugar and fertilizers

MCQ: The melting point of the diamond is

340 °C
3400 °C
370 °C
3700 °C