WHEN A SPIROGYRA FILAMENT IS PLACED IN A CONCENTRATED SALT SOLUTION FOR 30 MINUTES, THE CELL WOULD BECOME
A. plasmolysed ✓ B. turgid C. shortened D. elongated The answer to the question is: A. plasmolysed When a Spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become plasmolysed. Plasmolysis is the process in which a plant…
WHEN SODIUM HYDROXIDE SOLUTION IS ADDED TO A SOLUTION OF ZINC SALT, THE WHITE PRECIPITATE FORMED RE-DISSOLVE IN EXCESS SODIUM HYDROXIDE BECAUSE
A. sodium hydroxide is a strong alkali B. sodium is more reactive than zinc C. zinc is more reactive than sodium D. zinc hydroxide is amphoteric ✓ E. zinc hydroxide is unstable The answer to the question is: D. zinc hydroxide is amphoteric When sodium…
A SALT WHICH LOSES MASS WHEN EXPOSED TO AIR IS
A. hygroscopic B. deliquescent C. efflorescent ✓ D. fluorescent E. effervescent The answer to the question is: C. efflorescent Efflorescence is a phenomenon associated with certain crystalline substances, particularly salts, which involves the loss of water of crystallization to the atmosphere upon exposure to air.…
Study Guide
