Acid Alkali Properties

Acids and Alkalis Fill in the gaps using these words; Soapy Corrosive Juice Sour Bleach Sting Lemon Caustic Neutral Chemicals Acids are a group of chemicals. They taste _ _ _ _. Strong acids will _ _ _ _ _ if you get them on your skin. We say that acids are _ _ _ _ _ _ _ _ _. An example of a weak acid in my home is _ _ _ _ _ _ _ _ _ _. Alkalis are another group of _ _ _ _ _ _ _ _ _. They feel _ _ _ _ _ when we touch them. Strong alkalis will burn if you get them on your skin. We say that alkalis are _ _ _ _ _ _ _. An example of a strong alkali in my home is _ _ _ _ _ _. Some chemicals are neither acids nor alkalis. We call these chemicals _ _ _ _ _ _ _. •

The chart shows the names of some substances you find in the home. • Some of them are acids, some are alkalis. Write ‘acid’ or ‘alkali’ in each blank box. One has been done for you.

Vinegar

toothpaste

picked onions

orange juice

washing powder

lemonade

bleach

milk of magnesia

hair perming lotion

Acid

Soap

•

Extension: Can you think of any other acids or alkalis in your home?