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Unit 5 assessment - Reactions

Authored by Tim McArthur

Science

1st - 8th Grade

Used 15+ times

Unit 5 assessment - Reactions
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33 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Look at the statements below. Select the statement that shows a chemical reaction has taken place.

A solid substance will melt.

Bubbles appear in the substance

The substance dissolves when being stirred in water

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Look at the picture of the student performing the experiment. Identify the correct set of safety rules she is following.

Wearing safety goggles, Using her fingers to identify the solution, Using a test tube rack

Hair tied back, Using a test tube rack , Wearing a lab coat

Wearing a lab coat, Hair tied back , Wearing Safety goggles

Wearing safety goggles, Hair tied back, Using a test tube rack

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When using liquids they may be dangerous. Choose the name of the type hazard for the description below.


Could cause slight swelling or redness on the skin.

Irritant

Corrosive

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When using liquids they may be dangerous. Choose the name of the type of hazard for the description below.


Could burn skin and eyes.

Irritant

Corrrosive

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A neutral substance has a pH level that will be

Greater than 7

Less than 7

Equal to 7

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A alkali substance will have a pH level

Greater than 7

Less than 7

Equal to 7

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A acid will have a pH level

Greater than 7

Less than 7

Equal to 7

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