IGCSE O Level Chemistry Practice Test 169
College Chemistry Quiz Questions and Answers PDF - 169
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College Chemistry Questions and Answers PDF Download: Quiz 169
MCQ 841: The pH of the soil can be controlled through
- acid rains
- neutralization
- hydrolases
- reversible reactions
MCQ 842: In Na2CO3, the relative atomic mass of sodium is
- 23
- 46
- 48
- 58
MCQ 843: The proton number of Fluorine (F) is 9, the electron number is
- 2, 5
- 2, 7
- 2, 9
- 2, 6
MCQ 844: In a titration, the endpoint is indicated through
- precipitation of salt
- crystallization of salt
- change in the color of solution
- none of above
MCQ 845: Relative molecular mass of Sulfuric Acid (H2SO4) is
- 98
- 58
- 108
- 120
IGCSE O Level Chemistry Exam Prep Tests
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