G9 - exam

G9 - exam

9th Grade

50 Qs

quiz-placeholder

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G9 - exam

G9 - exam

Assessment

Quiz

Chemistry

9th Grade

Hard

Created by

magdy khalaf

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical equation for the reaction that occurs when propane gas burns is shown below. What are the products of this reaction?

C3H8 + 5O2 → 3CO2 + 4H2O

C3H8 and 5O2

3CO2 and 4H2O

4H2O and C3H8

5O2 and 3CO2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which physical property would be most useful for separating the substances ina saltwater solution?

mass

boiling point

magnetism

density

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A change in ......................................is a sign that a chemical change might have occurred.

size

shape

smell

state

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

............................. matter in which substances are evenly mixed but not chemically bonded

compound

solution

heterogenous mixture

element

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

..........................matter containing atoms of two or more elements chemically bonded together.

element

compound

homogenous mixture

heterogenous mixture

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which activity could be a sign that a chemical change has occurred?

a solid melts

a substance dissolves

a liquid changes color

an object change shape

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT one of the main factors that determine the state of matter?

particle size

particle motion

particle forces

particle energy

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