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JEE • CHEMISTRY • PRACTICAL CHEMISTRY

Practical chemistry practice · Easy

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Practice format and chapter quiz

These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.

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1 Easy

1 of 5

Remembering +4 | -1

In Carius method for the estimation of sulphur precipitate is formed due to the formation of

View answer and explanation

Correct option: A

BaS{O_4}

Option A (BaSO₄) is correct because in the Carius method, sulfur is oxidized to sulfuric acid (H₂SO₄), which then reacts with barium chloride (BaCl₂) to form barium sulfate (BaSO₄) precipitate.

2 Easy

2 of 5

Remembering +4 | -1

The aqueous solution of which salt is coloured

View answer and explanation

Correct option: C

\mathrm{Co}\left(\mathrm{NO}_3\right)_2

Option C (

\mathrm{Co(NO_3)_2}

) is correct because

\mathrm{Co^{2+}}

has allowed d-d transitions, resulting in a colored aqueous solution.

3 Easy

3 of 5

Analyzing +4 | -1

[x]+\mathrm{H}_2 \mathrm{SO}_4 \rightarrow[y]

a colourless gas with irritating smell,

[{y}]+\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4 \rightarrow

green solution.

[{x}]

and

[y]

are

View answer and explanation

Correct option: A

\mathrm{SO}_3^{2-}, \mathrm{SO}_2

Option B is correct because gold chloride can react with copper, iron, nickel, chromium, zinc, or tin due to gold's high reduction potential, but the reason given is irrelevant.

4 Easy

4 of 5

Remembering +4 | -1

Beilstein test used for

View answer and explanation

Correct option: A

Halogens

Option A (Halogens) is correct because the Beilstein test is used to detect the presence of halogens in a chemical substance.

5 Easy

5 of 5

Remembering +4 | -1

Mercurous ion is represented as:

View answer and explanation

Correct option: A

\mathrm{Hg}_2^{2+}

The correct answer is A (

\mathrm{Hg}_2^{2+}

) because the mercurous ion exists as a diatomic species with a +2 charge overall, meaning each mercury atom has a +1 oxidation state.

Revision notes and key takeaways

Review PRACTICAL CHEMISTRY in your textbook or class notes, then use this set to check your understanding.

Key Takeaways

✓ This set contains 5 single-correct-answer MCQs on PRACTICAL CHEMISTRY.
✓ Try each question before opening its answer. Read the explanation where one is available.
✓ Sign in to save submitted answers. Revisit incorrect answers alongside your textbook or class notes.

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