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Law of conservation of Mass

Authored by Marco Montelongo

Chemistry

8th Grade

NGSS covered

Used 158+ times

Law of conservation of Mass
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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is oes this follow the law of conservation of mass:

Yes or No


3HgO → 2Hg + O2

Yes

No

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does this follow the law of conservation of mass:

Yes No


Al2 + O3→ Al2O3

Yes

No

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the REACTANTS :

H2O + CO2 → HCO + HO

H2O + CO2

HCO + HO

H2O ONLY

HCO ONLY

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which compounds are the PRODUCTS of this reaction?

CO2 + H2O

C6H12O6 + O2

C6H12O6 + CO2

H2O + O2

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Does this follow the law of conservation of mass:

Yes No


2Fe2O3 + 3C --> 4Fe + 3 CO2

Yes

No

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Does this follow the law of conservation of mass:

Yes No

Yes

No

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Does this follow the law of conservation of mass:

Yes No

Yes

No

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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