WorksheetsAcids and bases
Total questions: 10
Worksheet time: 5mins
Acids have a PH value of
Less than 7
More than 7
7
Which of the following substances is a base
5
7
5.5
8
Which of the following are acidic substances
Ammonia
Orange juice
Toothpaste
Vinegar
Acids turn
Red litmus paper to blue
Blue litmus paper to red
Red litmus paper reamins red
Blue litmus paper remains blue
Which substances are alkaline
Orange juice
Ammonia
Battery acid
Oven cleaner
Toothpaste
What are the properties of acid
Acids turn blue litmus paper to red
Acids tastes bitter
Acids are sour
Acids are slippery
If a substance has a PH value of 7 it could be
an acidic substance
an alkaline substance
a neutral substance
a basic substance
Alya tested a substance which had a PH value of 7.5 and turned red litmus paper into blue. It had a soapy touch and was slippery. That substance was
Base
Acid
Alkaline
Neutral
What are the properties of Base
They are corrosive
They have a soapy touch
They can burn our skin
They have a bitter taste
They have a sour taste
If the substance is acidic then its PH value will be
1-5
0-6.9
0-14
8-14
0-15
