Chemistry Practical Important Questions 2023 WBBSE
Chemistry Practical Questions 2023 Important questions of chemistry practical 2023 available in all format 1. What is the colour of phenolphthalein in acidic and alkaline medium? Ans. Colourless in acidic and pink in alkaline medium. 2. What is fusion mixture? Ans. Equimolar mixture of Na₂CO3 and K₂CO₂ 3. What is sodalime? Ans. A mixture of NaOH and CaO. 4. Which salt produces white incrustation and emits garlic-like smell, when heated in charcoal block in a reducing flame? Ans. Arsenic (As) compound.