Worksheets6.1 Properties of Acids and Alkali
Total questions: 10
Worksheet time: 5mins
What are the examples of acid ?
Sodium hydroxide solution
Soap water
Hydrochloric acid
Vinegar
What are the examples of alkaline solution?
Hydrochloric acid
Sodium hydroxide solution
Vinegar
Soap water
What is the pH range of alkalis?
pH 1 - 6
pH 7
pH 8 - 14
Acid
turns blue litmus paper red
turns red litmus paper blue
Acids
pH value less than 7
Tastes bitter
Corrosive
Reacts with metals to produce hydrogen gas
Alkali
pH value more than 7
Tastes bitter
Corrosive
Tastes sour
Uses of acids and alkalis in daily life are
agricultural
industrial
medical
electrical
Dilute hydrochloric acid is a...
Strong acid
Weak acid
Weak alkali
Strong alkali
Which of the following are the indicators used to determine acidic and alkaline substances?
Blue litmus paper and red litmus paper
Universal indicator
Methyl orange
Phenolphthalein
Which of the following are the examples of alkaline substances?
Tartaric acid
Detergent
Magnesium hydroxide
Sulphuric acid
