What is the S.I. unit for temperature?

Which apparatus should be used to measure the volume of 25.0 cm³ of hydrochloric acid?

What is the accuracy of a mercury thermometer or an alcohol thermometer for measuring temperature?

Hydrogen chloride gas dissolves readily in water to produce hydrochloric acid. Which of the following gas collection methods are NOT suitable to collect hydrogen chloride?

In addition to being soluble in water, hydrogen chloride gas is denser than air. Which of the following methods SHOULD be used to collect it?

Hydrogen gas is insoluble in water and less dense than air. Which method of gas collection is used for hydrogen gas? (There is more than one answer)

Ammonia gas is soluble in water and less dense than air. Which method of gas collection is used for hydrogen gas? (There can be more than one answer)

Carbon dioxide is slightly soluble in water and denser than air. Which method of gas collection is used for carbon dioxide gas?