IGCSE O Level Chemistry Practice Test 39

Relative Molecular Mass Quiz PDF: Questions and Answers - 39

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The Quiz: Greatest proportion by mass of nitrogen is in; "Relative Molecular Mass" App Download (Android & iOS) Free with answers ammonium nitrate (nh₄no₃), hydrazine (n₂h₄),, ammonium sulphate (nh₄)₂so₄ and urea (nh₂conh₂) to study online classes courses. Practice chemical formulae and equations questions and answers, Google eBook to download free sample for schools that offer certificate programs.

Relative Molecular Mass Questions and Answers PDF Download: Quiz 39

MCQ 191: The greatest proportion by mass of nitrogen is in

Hydrazine (N₂H₄),
ammonium nitrate (NH₄NO₃)
ammonium sulphate (NH₄)₂SO₄
urea (NH₂CONH₂)

MCQ 192: The optimal temperature for enzymes is

room temperature
35-37 °C
40-45 °C
above 45 °C

MCQ 193: Anodic oxidation refers to the

loss of electrons at the anode
gain of electrons at the cathode
loss of electrons at the cathode
gain of electrons at the anode

MCQ 194: Seawater has a pH of

MCQ 195: Approximate volume can be measured through

volumetric flask
burette
measuring cylinder
beaker

IGCSE O Level Chemistry Exam Prep Tests

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Acidity or Alkalinity MCQs

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Endothermic Reactions MCQs

Oxidation Reduction Reactions MCQs

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