G7 Science OIC

What is this? chỉ số PH

Aspragus has a ph level of 8.0-10.0 - what adjective can you use to describe it?

What are five types of kinetic energy?

What is the pH level of water?

A ...chemical substance is neither an acid nor an alkali

An irritant is something that ..

What does this mean in English = Sự trung hòa

Coffee has a pH level of 4.8-5.1 - what adjective can you use to describe it?

Explain the difference between pure substances and mixtures.

Describe how temperature affects solubility.

A liquid that can dissolve a solute is a ...

Give two examples of something that is insoluble

This is a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven

Explain how you would separate a mixture of salt and sand using filtration and evaporation

This word means to slowly destroy or damage metal, stone or other materials by chemical action; to be destroyed in this way

A c... substance causes damage by chemical action

What does this mean in English? - pha loãng

This is a a chemical substance that reacts with acids to form a salt and gives a solution with a pH of more than seven when it is dissolved (= mixed with a liquid and becoming part of it) in water

If something dissolves it ...