JEE Main Practical Chemistry questions
8 Chemistry questions on Practical Chemistry as asked in JEE Main, newest first. 4 come with a worked solution.
- During the borax bead test with CuSO_4, a blue green colour of the bead was observed in oxidising flame due to the formation of
2023 · with solution
- K_2Cr_2O_7 paper acidified with dilute H_2SO_4 turns green when exposed to
2023
- Compound that will give positive Lassaigne's test for both nitrogen and halogen is:
2023 · with solution
- Choose the correct representation of conductometric titration of benzoic acid vs sodium hydroxide.
2023
- Match the List-I with List-II : | List-I | List-II | |---|---| | Cations | Group reagents | | A arrow Pb^2+, Cu^2+ | i) H_2S gas in presence of dilute HCl | | B arrow Al^3+, Fe^3+ | ii) (NH_4)_2CO_3 in presence of…
2023
- A chloride salt solution acidified with dil.HNO_3 gives a curdy white precipitate, [A], on addition of AgNO_3. [A] on treatment with NH_4OH gives a clear solution, B. A and B are respectively
2023 · with solution
- Following chromatogram was developed by adsorption of compound 'A' on a 6 cm TLC glass plate. Retardation factor of the compound 'A' is _______ × 10^-1. [figure]
2023 · with solution
- An alkali is titrated against an acid with methyl orange as indicator, which of the following is a correct combination? Base Acid End point (a) Weak Strong Colourless to pink (b) Strong Strong Pinkish red to yellow (c)…
2018
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