08/11 Concept checking task

1. Tea contains which type of acids?

• Tannic acid

• lactic acid

• oxalic acid

• tartaric acid

2. Soft drink contains which type of acid?

• lactic acid

• oxalic acid

• carbonic acid

• tartaric acid

3. Which type of acid is not commonly used in the laboratory?

• Diluted hydrochloric acid

• Diluted nitric acid

• ethanoic acid

• Diluted sulphric acid

4. Which statement is incorrect?

• Diluted acids have a sour test.

• Never taste any acid in the laboratory

• Acids conduct electricity when they dissolve in water

• Acid turn red litmus paper to blue

Acids react with high reactive metals will form?

• salt and water

• salt, hydrogen, and water

• salt and hydrogen

• salt