Honors Chemistry Pre-Test

Honors Chemistry Pre-Test

10th Grade

40 Qs

quiz-placeholder

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Honors Chemistry Pre-Test

Honors Chemistry Pre-Test

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Krystal Nkoronye

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who introduced the term "atomos" and what does it mean?

Aristotle

Democritus

Plato

Proust

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes the Law of Conservation of Mass?

The mass of the products in a chemical reaction is always less than the mass of the reactants.

The total mass remains the same before and after a chemical reaction, regardless of the type of reaction.

Chemical reactions always create new mass in the form of energy.

The mass of individual atoms increases during a chemical reaction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Law of Conservation of Mass state?

Mass is destroyed in chemical reactions.

Mass is conserved in chemical reactions.

Mass can be created and destroyed.

Mass increases during chemical reactions.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of the Law of Definite Proportions?

A compound always contains the same elements in the same fixed ratios by mass.

The properties of a compound can vary based on the method of preparation.

Different samples of water (H₂O) can have varying ratios of hydrogen and oxygen.

The mass of the reactants is always equal to the mass of the products.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientist proposed the Law of Definite Proportions?

John Dalton

J.J. Thompson

Joseph Proust

Niels Bohr

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Dalton’s atomic theory, atoms are...

Divisible and can be created or destroyed.

Indivisible and indestructible.

Made of protons, neutrons, and electrons.

Large enough to be seen under a microscope.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was J.J. Thompson's major contribution to atomic theory?

He discovered the neutron.

He discovered the proton.

He discovered the electron.

He developed the quantum model.

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