Difficulty distribution
How the classified questions are distributed by difficulty.
4questions
Not classified
4
100%
Practical Chemistry - Organic Chemistry - Chemistry Previous Year Questions
Practice Practical Chemistry - Organic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
4Papers
4Years
4Questions
1Topics
Practical Chemistry question pattern
Every graph below is calculated only from this selection.
Questions by year
Year-wise coverage for Practical Chemistry. Each bar uses a separate theme-derived color.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
4questions
Multiple Choices
4
100%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| WB JEE 2025 | 2025 | 1 | View paper |
| WB JEE 2024 | 2024 | 1 | View paper |
| WB JEE 2020 | 2020 | 1 | View paper |
| WB JEE 2016 | 2016 | 1 | View paper |
All Practical Chemistry previous year questions
Practice every matching question in batches of 20, with every available option.
2016 · Chemistry · Organic Chemistry · Practical Chemistry
WB JEE 2016
Compound X is tested and the results are shown in the table.
Which ions are present in compound 'X'?
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| Test | Result |
|---|---|
| Aqueous sodium hydroxide is added, then heated gently. Dilute hydrochloric acid is added. |
Gas given off which turns damp red litmus paper blue. Effervescence, gas given off which turns lime water milky and acidified \({K_2}C{r_2}{O_7}\) paper green. |
Which ions are present in compound 'X'?
2020 · Chemistry · Organic Chemistry · Practical Chemistry
WB JEE 2020
To a solution of a colourless efflorescent sodium salt, when dilute acid is added, a colourless gas is evolved along with formation of a white precipitate. Acidified dichromate solution turns green, when the colourless gas is passed through it. The sodium salt is
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2024 · Chemistry · Organic Chemistry · Practical Chemistry
WB JEE 2024
The compound that does not give positive test for nitrogen in Lassaigne's test is
A
B
C
D
2025 · Chemistry · Organic Chemistry · Practical Chemistry
WB JEE 2025
Kjeldahl's method cannot be used for the estimation of nitrogen in which compound?
A
B
C
$\mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{C}_6 \mathrm{H}_5$
D
