MCQs — Matter

A property that can be observed or measured without changing a substance's chemical composition is called a:

A property that describes how a substance changes into new substances is called a:

A substance made of only one type of atom or molecule, with a fixed composition, is called a:

A pure substance made of only one type of atom, which cannot be broken down into simpler substances by chemical means, is called an:

A pure substance formed when two or more elements chemically combine in a fixed ratio is called a:

A combination of two or more substances that are not chemically bonded and can be separated by physical means is called a:

A mixture that has a uniform composition throughout is called a:

A mixture in which the composition is not uniform and different components can often be seen separately is called a:

Salt fully dissolved in water, forming a uniform mixture, is an example of a:

A mixture of sand and water, where the sand settles and stays visibly separate, is an example of a:

A mixture in which tiny particles are evenly spread through another substance but are large enough to scatter light is called a:

A heterogeneous mixture in which larger, visible particles are spread through a liquid and eventually settle is called a:

How does a compound differ from a mixture?

How does an element differ from a compound?

Why can the components of a mixture be separated by physical methods, unlike the elements in a compound?

Which pair correctly matches a substance with its classification?

Pure water (H2O) that has not been mixed with anything else is an example of a:

A glass of iced tea with sugar fully dissolved and no visible particles is an example of a:

A bowl of vegetable soup with visible pieces of carrots and potatoes floating in the liquid is an example of a:

A sample of pure gold jewellery containing only gold atoms is an example of a: