IGCSE O Level Chemistry Practice Test 99
Salts: Hydrogen of Acids Quiz Questions with Answers PDF Download - 99
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The Quiz: People requiring an x-ray of the stomach are given a porridge of; "Salts: Hydrogen of Acids" App (iOS, Android) with answers: BaSO4; PbSO4; Na2CO3; K2CO3; for online college for teaching degree. Study Salts and Identification of Ions and Gases Questions and Answers, Google eBook to download free sample for two year degree programs.
Salts: Hydrogen of Acids Quiz with Answers PDF Download: MCQs 99
People requiring an x-ray of the stomach are given a porridge of
- PbSO4
- BaSO4
- Na2CO3
- K2CO3
Electrolyte liquid may include
- solutions only
- molten solids only
- gases
- solution and molten solids
What is correct about electrons?
- they have negligible mass
- they have relative charge of -1
- their charge is opposite and equal to a proton
- all of above
Which of them is included in the uses of electrolysis?
- electroplating
- electro refining
- extraction of metals
- all of above
Consider the equation ZnO + NaOH + H2O → Na2Zn(OH)4. Moles of NaOH required to balance the equation would be
- 1
- 2
- 3
- 4
IGCSE O Level Chemistry Exam Prep Tests
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