QUIZZIZ SUPERTRAINER 4

What is a key characteristic of acids that allows them to be identified?

• They release hydrogen ions.

• They are always solid.

• They are colorless.

• They have a sweet taste.

Which of the following is a common laboratory acid?

• Hydrochloric acid

• Lactic acid

• Citric acid

• Acetic acid

What happens when an acid reacts with a metal carbonate?

• It creates a metal hydroxide.

• It produces salt, water, and carbon dioxide.

• It releases oxygen gas.

• It forms a metal oxide.

What natural phenomenon is caused by the reaction of rainwater with calcium carbonate?

• Growth of coral reefs

• Erosion of sandy beaches

• Creation of underground caverns

• Formation of stalactites

How can you confirm the presence of carbon dioxide gas?

• By using a litmus test

• By passing it through limewater

• By observing a color change in phenolphthalein

• By measuring its temperature