Form 2 Chapter 6 Properties of Acid Alkali

State the taste of this fruit?

• Tastles

• Bitter

• Sour

• Sweet

Which of the properties of alkaline substance is NOT TRUE?

• taste bitter

• slippery

• turn red litmus paper to blue

• turn blue litmus paper to red

What is the meaning of the above hazard warning symbol?

• Corrosive

• Explosive

• Toxic

• Radioactive

Which of the following about properties of acid is not true?

• pH less than 7

• Tastes bitter

• Corrosive

• Turns blue litmus paper to red

Which of the following will change the red litmus paper to blue?

• Sodium hydroxide

• Hydrochloric acid

• Sulphuric acid

• Nitric acid

Sodium hydroxide is used

• to make fertilisers.

• to make battery.

• to cure gastritis.

• to make detergent.

Strong acids and alkalis are...

• Sour

• Sweet

• Corrosive/Caustic

• Burn litmus paper

What is the pH of distilled water?

• pH 12

• pH 3

• pH 8

• pH 7

Which of the following about properties of acid is not true?

• pH less than 7

• Tastes bitter

• Corrosive

• Turns blue litmus paper to red

Acid reacts with metal to produce ___________ gas.

• oxygen

• carbon dioxide

• hydrogen

• nitrogen dioxide