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"Other than Oxygen (O2) and Calcium (Ca), 92% of the earth's crust is made up of", atoms and elements Multiple Choice Questions (MCQ) with choices iron, silicon, aluminum, and all of above to study online classes courses. Learn elements, compounds and mixtures questions and answers to improve problem solving skills for online bachelor degree programs.
Atoms & Elements Questions and Answers PDF Download eBook
MCQ: Other than Oxygen (O2) and Calcium (Ca), 92% of the earth's crust is made up of
- silicon
- Iron
- Aluminum
- all of above
D
MCQ: To prepare solutions of known concentration, the apparatus used can be
- pipette
- burette
- measuring cylinder
- volumetric flask
D
MCQ: Dissolved solids can be separated from the solution through
- simple filtration
- sublimation
- evaporation
- decanting
C
MCQ: If a substance decomposes when heated to its boiling point, the suitable method is
- simple distillation
- fractional distillation
- vacuum distillation
- crystallization
C
MCQ: In Universal indicators, violet color indicates
- strong acids
- strong alkalis
- weak acids
- weak bases
B