Unit 7: Chemical Reactions

Unit 7: Chemical Reactions

10th Grade

15 Qs

quiz-placeholder

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Unit 7: Chemical Reactions

Unit 7: Chemical Reactions

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Humberto Castro

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What kind of change occurs when paper is shredded into small pieces?

Chemical Change

Phase Change

Physical Change

Atomic Change

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is a chemical change?

Dissolving sugar in water

Melting ice

Tearing a paper

Baking a cake

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which formula needs a roman numeral in its name?

AlF₃

CaCO₃

Sn(NO₂)₂

NaCl

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is always true in a balanced chemical equation?

There are more products than reactants

The mass of products is less than the mass of reactants

The number of atoms for each element is equal on both sides

The number of molecules is always the same

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following equations is correctly balanced?

H₂ + O₂ → H₂O

2H₂ + O₂ → 2H₂O

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement is true about covalent compounds?

They use roman numerals

They require prefixes in naming

They only form with metals

They always form precipitates

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the formula for disulfur decafluoride?

S10F2

S3F9

S2F10

S2F8

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