CHEMISTRY KSSM FORM 4 | ACIDS, BASES AND SALTS | Baamboozle - Baamboozle

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Acids, Bases and Salts

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What is the meaning of acids?

Chemical substances ionise in water to produce hydrogen ions

20

What is the meaning of alkalis?

Chemical substances that ionise in water to produce hydroxide ions

25

Give one example of strong acid

Hydrochloric acid, sulphuric acid, nitric acid

5

Give one example of weak alkalis

ammonia

5

Adding liquid X to water decreases its pH. This show that liquid X is....

Acid

25

Turns litmus paper from red to blue

Alkali

5

Name the particles in a solution of hydrogen chloride is responsible for its acidity properties?

Hydrogen ion

15

Give one example of triprotic acid

phosphoric acid, H3PO4

20

Give two substances that ionize partially in water

ammonia, Ethanoic acid

25

A ................ is a subtance that reacts with acids to produce salt and water only.

base

15

Diagram shows an egg shell in a beaker containing vinegar. What is X?

Hydrogen gas

25

Carbonic acid is a mineral acid with formula, H2CO3. What is the basicity of carbonic acid?

Diprotic acid

20

What is the formula to calculate the pH value of acid

pH = -log [H+]

10