IGCSE O Level Chemistry Practice Test 121

Electrolyte and Non Electrolyte Quiz Questions and Answers PDF - 121

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The Quiz: In electrolysis of aqueous Copper Sulfate CuSO₄, at the cathode; "Electrolyte & Non Electrolyte" App Download (Free) with answers hydrogen gas is given off, pink deposit of copper metal is deposited, hydrogen ions are easier to discharge than copper ions and cu⁺² forms crystals to learn online IGCSE GCSE courses. Solve electricity and chemistry questions and answers, Amazon eBook to download free sample for online college courses.

Electrolyte & Non Electrolyte Questions and Answers PDF Download: Quiz 121

MCQ 601: In electrolysis of aqueous Copper Sulfate CuSO₄, at the cathode

A) pink deposit of copper metal is deposited

B) hydrogen gas is given off

C) hydrogen ions are easier to discharge than copper ions

D) Cu⁺² forms crystals

MCQ 602: The formula of Calcium Hydrogen Carbonate indicates that the

A) charge on Ca is +2

B) charge on HCO₃ is −1

C) for each molecule of calcium hydrogen carbonate, one ion of Ca and two ions of hydrogen carbonate ar

D) all of above

MCQ 603: Metal that burns even more brightly than Magnesium (Mg) is

A) zinc

B) mercury

C) zirconium

D) diamond

MCQ 604: The pH value above 7 is

A) acidic

B) alkaline

C) neutral

D) basic

MCQ 605: If metal hydroxide and acid reaction to form Potassium Nitrate (KNO₃), the reactants will be

A) K + HNO₃

B) KOH + HNO₂

C) KOH + HNO₃

D) KOH₂+ HNO₃

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