IGCSE O Level Chemistry Practice Test 64
Atoms and Elements Multiple Choice Questions (MCQs) PDF Download - 64
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The Atoms and Elements MCQ with Answers PDF (Atoms and Elements Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 6-64 to prepare IGCSE O Level Chemistry Practice Tests. Study Elements, Compounds and Mixtures Test PDF, Atoms and Elements Multiple Choice Questions (MCQ Quiz) for ACT subject test tutoring. The Atoms and Elements MCQ Quiz App Download: Free certification app for atoms and elements, ph scale: acid and alkali, pure substances and mixtures, o level chemistry: states of matter, properties: bases and reactions test prep to study online schools courses.
The MCQ: Symbol of Cobalt is; "Atoms & Elements" App (Free Android & iOS) with answers: Cu; Co; Cl; Ca; for ACT subject test tutoring. Practice Elements, Compounds and Mixtures Questions and Answers, Apple e-Book to download free sample for best online ACT prep class.
Atoms & Elements MCQ Quiz with Answers PDF Download: Test 64
Symbol of Cobalt is
- Co
- Cu
- Cl
- Ca
Which of the following has a pH of 7?
- sugar solution only
- salt solution only
- strong acids
- sugar and salt solution
Presence of impurities in ethanol (C2H5OH) will
- lower the boiling point
- raise the boiling point
- lower the rate of evaporation
- none of above
Substances which transform from solid into a gas directly, are called as
- Amphoteric oxides
- basic oxides
- sublimations
- neutral oxides
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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