3NA Salts and The Periodic Table

3NA Salts and The Periodic Table

8th Grade

20 Qs

quiz-placeholder

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3NA Salts and The Periodic Table

3NA Salts and The Periodic Table

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Pan Pan

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

To make copper(II) sulfate crystals from its salt solution,

all of the water must be evaporated away.

the precipitate must be washed.

the hot and saturated solution must be allowed to cool. .

excess acid must be present.

2.

MULTIPLE SELECT QUESTION

1 min • 5 pts

Which of the following is/are NOT NEEDED when making copper(II) sulfate crystals? Choose all possible answers.

burette

evaporating dish

filter paper

pipette

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

This is a

pipette

burette

filter funnel

conical flask

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

The salt solution obtained in step 5 is not pure because

of the presence of the indicator.

the student performed the titration too quickly.

it is not crystallized.

the apparatus was not rinsed properly.

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

For the salt to be pure, the titration must be

repeated without the indicator.

done quickly.

done using another burette.

done using another acid.

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which of the following method is used to make a salt (precipitate) that is insoluble in water?

Titration

Evaporation

Crystallization

Precipitation

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Washing the precipitate with distilled water and filtering will

dissolve and remove soluble impurities.

dissolve the precipitate.

produce crystals.

produce a hot and saturated solution.

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