Principles Related to Practical Chemistry — practice questions
7 curated practice questions from Principles Related to Practical Chemistry (Chemistry NEET, NTA Exams) — 2 hard, 4 medium, 1 easy. Every question includes the final answer free; step-by-step worked solutions with a free account.
- In IV group analysis NH 4 OH is added before passing H 2 S gas because:
- Which of the following reagents may be used to distinguish between phenol and benzoic acid?
- If Fe 3 + and Cr 3 + both are present in group III of qualitative analysis, then distinction can be made by:
- A certain light green salt gives ammonia on heating with NaOH solution. Its aqueous solution gives white precipitate…
- A gas is evolved which burns with blue flame when the mixture is heated with conc. H 2 SO 4 . The mixture contains:
- In group V, (NH 4 ) 2 CO 3 is added to precipitate out carbonates. In place of (NH 4 ) 2 CO 3 , why Na 2 CO 3 cannot be…
- A salt made of bivalent ions X and Y, each of which is capable of decolourising acidified KMnO 4 solution. The salt is…