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2/5 Learning Check: Mixtures

Last updated about 5 years ago

4 questions

1

1

Question 2

2.

Explain your reasoning.

1

1

Question 1

1.

A glass of tea has a mass of 255 grams. Before mixing it with the tea, the mass of a spoonful of sugar was measured. The sugar has a mass of 25 grams. Predict what the mass of the cold sweet tea will be after mixing it with the sugar.

Choose one of the answers below.

A. It will have slightly less mass than 255 grams but more than 230 grams.

B. It will have slightly more mass than 255 grams but less than 280 grams.

C. It will have a mass of 230 grams.

D. It will have a mass of 280 grams.

E. The mass will remain the same: 255 grams.

Question 3

3.

A mixture is _____.

a substance made by combining two or more different materials without a chemical reaction

combining two or more substances that stay the same

can usually be separated back into its original components

a combination of substances that have a chemical reaction

Question 4

4.

A solution is ______.

a mixture that is made when one substance dissolves and mixes with another substance

we can see each individual part that is mixed together

the substances can easily be separated 

the substances can not be easily be separated