IGCSE O Level Chemistry Practice Test 72

Chemical Reaction: Factor Affecting Multiple Choice Questions (MCQs) PDF Download - 72

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Chemical Reaction: Factor Affecting MCQ Quiz with Answers PDF Download: Test 72

MCQ 356:

Rate of reaction approximately doubles when temperature increases to approximately

50 °C
10 °C
15 °C
20 °C

MCQ 357:

Aqueous Sulfuric Acid (H₂SO₄_(aq)) contains

Hydrogen ions
hydro oxide ions
sulfate ions
all of above

MCQ 358:

Valence electrons refer to which of the following?

total number of electrons in an atom
total number of protons
total number of electrons in the outermost shell
total number of neutrons

MCQ 359:

In formic an ionic bond Magnesium Oxide (MgO), Magnesium

loses 1 electron
loses 2 electrons
gains 1 electron
gains 2 electros

MCQ 360:

Hydroxonium ions are represented as

OH ions
H₂O₃ ions
H₃O ions
H₂O₃

IGCSE O Level Chemistry Exam Prep Tests

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