Midunit 5

Midunit 5

9th Grade

18 Qs

quiz-placeholder

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Midunit 5

Midunit 5

Assessment

Quiz

Science

9th Grade

Hard

Created by

Vanessa Podkomorski

Used 6+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When sugar is added to tea, the sugar is considered the ___ ?

solute

solvent

solution

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is an insoluble substance?

sugar

salt

baking soda

sand

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following statements regarding solutions is NOT correct?

In covalent solutions water breaks up solute clumps into molecules which float in a distributed manner.

In ionic solutions water breaks up solute into individual atoms/ions.

Water being polar, only likes to dissolve other polar substances.

The properties of gasses and solids prevent them from becoming solutions.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following would NOT increase the rate a sugar cube dissolves?

Stirring the solution

Crushing a sugar cube

Heating solvent

Reducing the amount of solvent.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following substances when dissolved in water does NOT increase in solubility as the temperature increases (to the detriment of aquatic life).

C2H4O2 (sugar)

NaCl (salt)

K2Cr2O7 (potassium dichromate)

O2 (oxygen gas)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following scientific techniques is used to separate a solution due to the homogenous nature of the substances involved?

Chromatography which uses a solvent to carry molecules of different size and speed.

Combustion which uses fire to burn the solute.

Filtration which uses filter paper to physically separate parts of a mixture such as sand and salt.

Spectrometer which measures the concentration of molecules in a substance.

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A solution which contains all the

it can hold at a given temperature is called?

saturated

unsaturated

supersaturated

diluted

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