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Review 1: Chemistry

Authored by Lamberto Geolin

Chemistry

9th - 10th Grade

NGSS covered

Used 1+ times

Review 1: Chemistry
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50 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

What is the name of the solid that forms after some solutions react chemically?

Colloid

Precipitate

Solid

Mixture

2.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

Distillation is the process of separating liquids by using _____.

A catalyst

Precipitation and transpiration

a centrifuge

evaporation and condensation

3.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

Which is a chemical change?

Melting ice

A candle burning

Boiling water

frost forming inside the freezer

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

Which occurs when atoms link together in news ways to create a substance different from the original substances?

A physical change

A nuclear reaction

a chemical change

an inversion

5.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

Which of the following indicate that a chemical reaction has occurred?

The formation of gas bubbles

An odor

a change in color

all of these indicate a chemical reaction

6.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

What is needed for a combustion reaction to occur?

Nitrogen

Helium

oxygen

iron

7.

MULTIPLE CHOICE QUESTION

2 mins ‱ 1 pt

When reactants form products, a(n) ______ has occurred.

Base

Acid

Chemical Reaction

Mixture

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