Across
- 2. the colour of the residue on heating lead nitrate
- 3. gas that turns moist lead acetate paper silvery black
- 4. gas that changes anhydrous copper sulphate from white to blue
- 7. gas that turns lime water milky
- 10. a sublimable compound
- 14. gas that gives curdy white ppt with silver nitrate
- 15. gas that rekindles a glowing splinter
Down
- 1. Suffocating gas that turns potassium dichromate orange to clear green
- 5. gas that changes moist starch iodide paper to blue black
- 6. colour of the flame imparted when calcium is present as the metallic ion
- 8. basic gas that gives dense white fumes with hydrogen chloride
- 9. copper carbonate changes to _______ colour on heating
- 11. gas that extinguishes a burning splinter with pop sound
- 12. the cation present when you see lilac color for the flame test
- 13. reddish brown acidic gas