Chemistry and Physics Quiz

What is the physical state in which matter has a specific volume but does not have a specific shape?

• solid

• gas

• salts

• liquid

• ice

The law of constant composition applies to ________.

• solutions

• heterogeneous mixtures

• solids

• compounds

• homogeneous mixtures

A combination of sand, salt, and water is an example of a ________.

• homogeneous mixture

• solid

• compound

• pure substance

• heterogeneous mixture

A small amount of salt dissolved in water is an example of a ________.

• heterogeneous mixture

• solid

• homogeneous mixture

• pure substance

• compound

Which one of the following has the element name and symbol correctly matched?

• B, bromine

• Fe, iron

• N, neon

• S, sodium

• Tn, tin

Which one of the following elements is identified by the chemical symbol, Al?

• tin

• copper

• aluminum

• lead

• mercury

Which one of the following is often separated into its components by simple techniques such as filtering or decanting?

• elements

• compounds

• homogeneous mixture

• heterogeneous mixture

• solutions

Which states of matter are significantly compressible?

• liquids only

• solids and liquids

• liquids and gases

• gases only

• solids only

For which of the following, can the composition vary?

• pure substance

• heterogeneous mixture

• element

• homogeneous mixture

• both homogeneous and heterogeneous mixtures

If matter is uniform throughout and cannot be separated into other substances by physical means, it is ________.

• a heterogeneous mixture

• an element

• a compound

• a homogeneous mixture

• either an element or a compound