Acids and alkalis

ACIDS AND ALKALIS

HYDROCHORIC ACID

WORK SHEET11-Give 2 characteristics for acids:--------------------,-----------------------.2-Give 2 characteristics for alkalis:--------------------,-----------------------.3-How to differentiate between acid and alkali?--------------------------------------------------------

WORK SHEET11-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.

ORIGIN OF ACIDS AND ALKALIS Acid sour It comes from the latin word acidus.

Alkali Ashes It comes from an arabic word meaning

ashes.

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

ACIDS

Plant origin Animal origin

Citric acid . Tartaric acid . Ascorbic acid . Methanoic acid.

Hydrochloric acid. Lactic acid. Uric acid. Methanoic acid.