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Chemistry
10th
grade
The Role of Water in Showing Acidic and Alkaline Properties
12 questions
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- 1. Multiple Choice
A substance can be classified as acid if it can produce
- 2. Multiple Choice
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
- 3. Multiple Choice
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
- 4. Multiple Choice
Choose classification of acids
Monoprotic acid
Triprotic acid
Protic acid
Diprotic acid
- 5. Multiple Choice
What is the classification for carbonic acid
Monoprotic acid
Diprotic acid
Triprotic acid
- 6. Multiple Choice
What are the examples of alkaline solution?
Hydrochloric acid
Sodium hydroxide solution
Vinegar
Soap water
- 7. Multiple Choice
What are the examples of acid ?
Sodium hydroxide solution
Soap water
Hydrochloric acid
Vinegar
- 8. Multiple Choice
Acids
pH value less than 7
Tastes bitter
Corrosive
Reacts with metals to produce hydrogen gas
- 9. Multiple Choice
Alkali
pH value more than 7
Tastes bitter
Corrosive
Tastes sour
- 10. Multiple Choice
Acid in soft drink:
Hydrochloric acid, HCl
Sulfuric acid, H2SO4
Ethanoic acid (acetic acid), CH3COOH
Carbonic acid, H2CO3
- 11. Multiple Choice
Acid in car battery:
Hydrochloric acid, HCl
Sulfuric acid, H2SO4
Ethanoic acid (Acetic acid), CH3COOH
Carbonic acid, H2CO3
- 12. Multiple Choice
Which type of ion does an acid produce when it is dissolved in water?
oxide
oxygen
hydroxonium
hydroxide
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