CBSE Class 10 Answered
distinguish between acid and bases on basis their physical properties
Asked by pooja | 18 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. |
Answered by | 18 Jul, 2013, 10:20: PM
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