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Practical Chemistry — BITSAT Chemistry PYQs

12 previous year questions from Practical Chemistry with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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Practical Chemistry — BITSAT Chemistry PYQs

When C ₂ H ₂, CH ₄ and C ₂ H ₄ pass through a test tube which has ammonical Cu ₂ Cl ₂ , find out which gas comes out unaffected from test tube?

Which of the following compounds, on reaction with NaOH and Na 2 O 2 gives yellow colour?

Sodium nitroprusside, when added to an alkaline solution of sulphide ions, produce a

When H 2 S gas is passed into a mixture of Mn 2 + , Ni 2 + , Cu 2 + and Hg 2 + ion in an acidified aqueous solution, the precipitates formed are

Sometimes, the colour observed in Lassaigne's test for nitrogen is green. It is because

K ₄ [ Fe ( CN )₆ ] is used in detecting.

Which of the following ions can be separated by aq. NH ₄ OH in presence of NH ₄ Cl

A mixture of chlorides of copper, cadmium, chromium, iron and aluminium was dissolved in water acidified with HCl and hydrogen sulphide gas was passed for sufficient time. It was f

Which of the following is soluble in yellow ammonium sulphide?

H ₂ ~S gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative analysis but not those belonging to the fourth group. It

When H ₂ ~S gas is passed through the HCl containing aqueous solution of CuCl ₂, HgCl ₂ , BiCl ₃ and CoCl ₂ it does not precipitate out

An aqueous solution of a substance gives a white precipitate on treatment with dil. HCl which dissolves on heating. When H ₂ ~S is passed through the hot acidic solution, a black p