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WorksheetsAcidic and Alkaline Properties
Total questions: 15
Worksheet time: 11mins
What is the property of the substance based on the change in the colour of litmus paper?
alkaline
acidic
neutral
What is the property of the substance based on the change in the colour of litmus paper
neutral
alkaline
acidic
What is the property of the substance based on the change in the colour of litmus paper?
acidic
alkaline
neutral
What are the examples of alkaline solution?
Hydrochloric acid
Sodium hydroxide solution
Vinegar
Soap water
What are the examples of acid ?
Sodium hydroxide solution
Soap water
Hydrochloric acid
Vinegar
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
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
A substance can be classified as acid if it can produce
What is an alkali?
Substance that ionise in water to produce hydrogen ions
Substance that produce water when react with metal
A base that is soluble in water
Basicity of acids is ...
Reaction to produce salt and water
Number of hydrogen ions produces by acid molecule when ionise in water
Number Number of hydroxonium ions produces by acid molecule when ionise in water
Choose classification of acids
Monoprotic acid
Triprotic acid
Protic acid
Diprotic acid
What is the classification for carbonic acid
Monoprotic acid
Diprotic acid
Triprotic acid
Acids and alkalis only show their properties when dissolve in water. Which of the following is not the reason for the statement?
Acid molecules will ionise in water to produce hydrogen ion
Production of hydroxide ion when dissolve in water
Ions in the chemical are closely pack
