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Law of Conservation of Mass

Authored by Cody Cruse

Science

8th - 11th Grade

NGSS covered

Used 16+ times

Law of Conservation of Mass
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...

250 grams

380 grams

375 grams

400 grams

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A precipitate is a 

liquid that forms when two solids are reacted
a solid that forms when two liquids are mixed
a gas that forms when vinegar and baking soda react
a change of color in a solution

Tags

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If reaction starts with 20g of reactants it should produce 

a total of 40g of products
a total of 10g of products
a total of 80 g of products
a total of 20g of products

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?

They both will weigh the same
The product always weighs more than the reactant
The reactant will weigh more than the product
They both will loose mass after the reaction

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call the chemicals that result from a chemical reaction?

reactants

products

subscripts

coefficients

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

________ are the starting substances in a chemical equation.

Reactants

Producer

Reaction

Products

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The law of conservation of mass states that ________

the total mass of reactants is more than the total mass of products

the mass of a chemical reaction is not constant

the mass of a chemical reaction remains constant

the total mass of reactants is less than the total mass of products

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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