Law of Conservation of Mass/Evidence of a Chemical Reaction

Law of Conservation of Mass/Evidence of a Chemical Reaction

8th Grade

22 Qs

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Law of Conservation of Mass/Evidence of a Chemical Reaction

Law of Conservation of Mass/Evidence of a Chemical Reaction

Assessment

Quiz

Chemistry

8th Grade

Medium

NGSS
MS-PS1-2, MS-PS1-1, MS-PS1-5

+2

Standards-aligned

Created by

Lesa Brown

Used 13+ times

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Hydrogen are in 4H2O?

6
8
2
4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many O's are in Al₂(SO₄)₃

4
12
7
24

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Number of H in 3(NH₄)₂CrO₄

4
2
8
24

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many atoms are there TOTAL in:
H2SO4

6
5
7
3

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of aluminum are on each side of the following equation: 4Al + 3O--> 2AlO3

2
6
1
4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The substances at the beginning of a chemical equation are called the ____

product
yield
chemical symbol
reactants

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The blue numbers in the image below represent ________

I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct

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