solutions

solutions

Assessment

Flashcard

Chemistry

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the universal solvent? Options: salt, sugar, water, ice

Back

water

2.

FLASHCARD QUESTION

Front

A mixture with more solute dissolved in the solvent than is usually soluble is called:
Options: concentrated, supersaturated, saturated, unsaturated

Back

supersaturated

3.

FLASHCARD QUESTION

Front

How many grams of K2Cr2O7 are soluble in 100 g of water at 95 ºC? Options: 83 grams, 75 grams, 40 grams, 12 grams

Media Image

Back

75 grams

4.

FLASHCARD QUESTION

Front

Which substance is MOST soluble at 0 ºC? Options: KI, NaNO3, NaCl, Ce2(SO4)3

Media Image

Back

NaNO3

5.

FLASHCARD QUESTION

Front

How does a solution become supersaturated?

Media Image

Back

Heat the solution to increase the solute then let it cool.

6.

FLASHCARD QUESTION

Front

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as: supersaturated, unsaturated, saturated

Media Image

Back

supersaturated

7.

FLASHCARD QUESTION

Front

When 20 grams of KNO3 is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as: supersaturated, saturated, unsaturated

Media Image

Back

unsaturated

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