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Objective Questions
GS
GS Set-1
Chemistry
Inorganic Chemistry
174

Inorganic Chemistry MCQ with Answers

174) Addition of iron fillings to CuSO₄ solution caused precipitation of Cu, owing to the:

Reduction of Cu²⁺

Oxidation of Cu²⁺

Reduction of Fe

Reduction of Fe³⁺

Answer is:

Reduction of Cu²⁺

Inorganic Chemistry MCQ with Answers

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Related Inorganic Chemistry MCQ with Answers

175) Which is not amphoteric?

Al³⁺

Cr³⁺

Fe³⁺

Zn²⁺

Answer is:

Fe³⁺

176) Both acid and base may react with which of the following oxides?

CaO

Na₂O₂

ZnO

Mn₃O₄

Answer is:

ZnO

177) Cupric hydroxide dissolves in aqueous ammonia due to:

Reduction to cuprous hydroxide

Complex formation

Increase in pH

The amphoteric nature of Cu(OH)₂

Answer is:

Complex formation

178) Potassium manganate is formed when:

Chlorine is passed into aqueous KMnO₄ solution

Manganese dioxide is fused with potassium hydroxide in air

Formaldehyde reacts with potassium permanganate in presence of a strong alkali

Potassium permanganate reacts with concentrated sulphuric acid

Answer is:

Manganese dioxide is fused with potassium hydroxide in air

Inorganic Chemistry MCQ with Answers

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