IGCSE O Level Chemistry Practice Test 80
Atoms and Elements Multiple Choice Questions (MCQ) PDF - 80
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The MCQ Quiz: Other than Oxygen (O2) and Calcium (Ca), 92% of the earth's crust is made up of; "Atoms & Elements" App APK Download (Free) with answers iron, silicon, aluminum to learn online certificate courses. Study elements, compounds and mixtures questions and answers, Apple Book to download free sample for SAT practice test.
Atoms & Elements Questions and Answers PDF Download: Quiz 80
MCQ 396: Other than Oxygen (O2) and Calcium (Ca), 92% of the earth's crust is made up of
- silicon
- Iron
- Aluminum
- all of above
MCQ 397: To prepare solutions of known concentration, the apparatus used can be
- pipette
- burette
- measuring cylinder
- volumetric flask
MCQ 398: Dissolved solids can be separated from the solution through
- simple filtration
- sublimation
- evaporation
- decanting
MCQ 399: If a substance decomposes when heated to its boiling point, the suitable method is
- simple distillation
- fractional distillation
- vacuum distillation
- crystallization
MCQ 400: In Universal indicators, violet color indicates
- strong acids
- strong alkalis
- weak acids
- weak bases
IGCSE O Level Chemistry Exam Prep Tests
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