chemistry test tomorow

Front

Which statement describes a mixture of sand and water at room temperature?

Back

It is heterogeneous, and its components are in different phases.

Front

Which statement describes the components of a mixture? Options: Each component gains new properties., Each component loses its original properties., The proportions of components can vary., The proportion of components cannot vary.

Back

The proportions of components can vary.

Front

Which particle diagram represents a mixture of three substances?

Back

B

Front

When powdered sulfur and powdered iron are mixed at 20°C, the powdered iron

Back

remains magnetic

Front

Two grams of potassium chloride are completely dissolved in a sample of water in a beaker. This solution is classified as

Back

a homogeneous mixture

Front

which formula represents a mixture? Options: C6H12O6(l), LiCl(aq), C6H12O6(s), LICI(s)

Back

C6H12O6(s)

Front

Which particle diagram represents a mixture of an element and a compound?

Back

D

Front

Bronze contains 90 to 95 percent copper and 5 to 10 percent tin. Because these percentages can vary, bronze is classified

Back

a mixture

Front

A mixture of crystals of salt and sugar is added to water and stirred until all solids have dissolved. Which statement best describes the resulting mixture?

Back

The mixture is homogeneous and cannot be separated by filtration.

Front

Which of these terms refers to matter that could be heterogeneous? Options: element, mixture, compound, solution

Back

mixture