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Chemistry Precision and Design Test 4

Authored by Michelle Hudson

Science

11th Grade

NGSS covered

Used 8+ times

Chemistry Precision and Design Test 4
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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does stoichiometry include?

A) Chemical reactions

B) Classify reactions

C) Quantitative relationships of chemical reactions

D) All of the above.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define chemical reactions: ______ changes caused by collisions between atoms or molecules.

Physical

Chemical

Biological

Nuclear

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was Dalton’s proposed atomic theory?

Atoms are created in chemical reactions

Atoms are destroyed in chemical reactions

Atoms are not created or destroyed in chemical reactions, only rearranged

Atoms are converted into energy.

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the law of conservation of mass?

The sum of the masses of the products is always equal to the sum of the reactants

The mass of the reactants is greater than the mass of the products

The mass of the products is greater than the mass of the reactants

Mass is lost in a chemical reaction.

Tags

NGSS.HS-PS1-7

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are the four types of common chemical reactions?

Combination

Decomposition

Single displacement

Double displacement

Composition

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe a decomposition reaction: This is the reverse of a combination reaction, a decomposition reaction involves the breakdown of a single reactant into two or more simpler substances. True or False?

True

False

7.

DROPDOWN QUESTION

30 sec • 1 pt

A single displacement reaction involves replacing one element in a compound with (a)   .

another
itself
the same element
none

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