distinguish between acid and bases on basis their physical properties
Asked by pooja | 18th Jul, 2013, 08:33: PM
Expert Answer:
ACIDS
BASES
produce a piercing pain in a wound.
give a slippery feel.
taste sour.
taste bitter.
are colorless when placed in phenolphthalein (an indicator).
are pink when placed in phenolphthalein (an indicator).
are red on blue litmus paper (a pH indicator).
are blue on red litmus paper (a pH indicator).
have a pH<7.
have a pH>7.
produce hydrogen gas when reacted with metals.
produce carbon dioxide when reacted with carbonates.
Can be solids, liquids or gaseous. Examples: Lemons, oranges, vinegar, hyrdrochoric acid
Examples: Soap, toothpaste, limewater, ammonia water, sodium hydroxide.
| ACIDS | BASES |
| produce a piercing pain in a wound. | give a slippery feel. |
| taste sour. | taste bitter. |
| are colorless when placed in phenolphthalein (an indicator). | are pink when placed in phenolphthalein (an indicator). |
| are red on blue litmus paper (a pH indicator). | are blue on red litmus paper (a pH indicator). |
| have a pH<7. | have a pH>7. |
| produce hydrogen gas when reacted with metals. | |
| produce carbon dioxide when reacted with carbonates. | |
|
Can be solids, liquids or gaseous. Examples: Lemons, oranges, vinegar, hyrdrochoric acid
|
Examples: Soap, toothpaste, limewater, ammonia water, sodium hydroxide. |
Answered by | 18th Jul, 2013, 10:20: PM
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