IGCSE O Level Chemistry Practice Test 64
Atoms and Elements Multiple Choice Questions (MCQ) PDF - 64
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The MCQ Quiz: Symbol of Cobalt is; "Atoms & Elements" App APK Download (Free) with answers cu, co, cl and ca to study online schools courses. Study elements, compounds and mixtures questions and answers, Apple Book to download free sample for ACT subject test tutoring.
Atoms & Elements Questions and Answers PDF Download: Quiz 64
MCQ 316: Symbol of Cobalt is
- Co
- Cu
- Cl
- Ca
MCQ 317: Which of the following has a pH of 7?
- sugar solution only
- salt solution only
- strong acids
- sugar and salt solution
MCQ 318: Presence of impurities in ethanol (C2H5OH) will
- lower the boiling point
- raise the boiling point
- lower the rate of evaporation
- none of above
MCQ 319: Substances which transform from solid into a gas directly, are called as
- Amphoteric oxides
- basic oxides
- sublimations
- neutral oxides
MCQ 320: In the presence of phenolphthalein, alkali shows
- blue color
- violet color
- pink color
- green color
IGCSE O Level Chemistry Exam Prep Tests
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