Acids

5. 1-Give 2 characteristics for acids:
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2-Give 2 characteristics for alkalis:
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3-How to differentiate between acid and
alkali?
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6. 1-Give 2 characteristics for acids:
Corrosive ,sour taste.
2-Give 2 characteristics for alkalis:
bitter ,slippery.
3-How to differentiate between acid and
alkali?
using litmus paper.

7. Acid sour
 It comes from the latin word acidus.
 Alkali Ashes
 It comes from an arabic word meaning ashes.

8. Most acids
are
corrosive
which burn
when get in
contact to
skin.

9. Plant origin Animal origin
 Citric acid .
 Tartaric acid .
 Ascorbic acid .
 Methanoic acid.
 Hydrochloric acid.
 Lactic acid.
 Uric acid.
 Methanoic acid.