42 JEE Main Practical Chemistry PYQs (2019–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Practical Chemistry previous-year question from Chemistry, 2019–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
A student has been given 0.314 g of an organic compound and asked to estimate Sulphur. During the experiment, the stude…
Among Fe²⁺, Fe³⁺, Cr²⁺ and Zn²⁺, the ion that shows positive borax bead test and with highest ionisation enthalpy is:
In the Group analysis of cations, Ba²⁺ ~\&~ Ca²⁺ are precipitated respectively as
Consider three metal chlorides x, y and z, where x is water soluble at room temperature, y is sparingly soluble in wate…
Among Fe³⁺, Pb²⁺, Cu²⁺ and Mn²⁺, identify the one that gets precipitated out while passing H₂S in presence of NH₄OH as…
A salt with few drops of conc. HCl gives apple green colour in flame test. The group precipitate of the salt is dissolv…
By usual analysis, 1.00 g of compound (X) gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compo…
When a salt is treated with sodium hydroxide solution it gives gas X. On passing gas X through reagent Y a brown colour…
Identify A, B and C in the given below reaction sequence A HNO₃ ~Pb (NO₃ )₂ H₂ SO₄ B [ (2) Acetic acid \ (3) K₂ CrO₄] (…
Formation of Na₄ [Fe(CN)₅ NOS ], a purple coloured complex formed by addition of sodium nitroprusside in sodium carbona…
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