Laws of Conservation in Reactions

Laws of Conservation in Reactions

Assessment

Interactive Video

Science

8th Grade

Hard

Created by

Heather Holden

FREE Resource

4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the 18th century, what substance was believed to be released from materials during burning?

Phlogiston

Oxygen

Carbon Dioxide

Hydrogen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which fundamental law of chemistry states that matter can be changed but not destroyed during a chemical reaction?

Law of Definite Proportions

Law of Conservation of Energy

Law of Conservation of Mass

Law of Multiple Proportions

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In what year did John Dalton publish his Atomic Theory, which was influenced by the laws of conservation of mass and definite proportions?

1789

1808

1869

1776

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the correct coefficients to balance the chemical equation for the combustion of methane: CH4 + O2 → CO2 + H2O?

1, 1, 1, 1

1, 2, 1, 2

2, 1, 2, 1

1, 2, 2, 1

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