Pure substances and Mixtures Review

Front

Which of the following is a compound? Nitrogen (N₂), Hydrogen (H₂), Helium (He), Hydrochloric acid (HCl)

Back

Hydrochloric acid (HCl)

Front

What do water (H₂O), rust (Fe₂O₃), and salt (NaCl) have in common?

Back

Water, rust, and salt are compounds

Front

What statement describes a snack made by combining pretzels, peanuts, and raisins together in a bowl?

Back

It is a heterogeneous mixture

Front

Which of the following models represents a pure substance?

Back

Front

Which image(s) would be considered pure substances? Options: V, I and II, II and IV, III and V

Back

III and V

Front

Which of these mixtures is NOT a solution? a glass of apple juice, a chocolate chip cookie, a mixture of salt and water, a mixture of sugar and water

Back

a chocolate chip cookie

Front

How could Taylor decide if she just created a mixture or a compound?

Back

It must be a mixture as she can separate all of the individual ingredients.

Front

How would you BEST classify brass?

Back

homogeneous mixture

Front

What is one characteristic of a sample of matter that indicates it is a pure substance?

Back

If the composition of a sample is fixed, the sample is a pure substance.