Free Printable Conservation law of mass

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Conservation law of mass

Total questions: 11

Worksheet time: 13mins

Name

Class

Date

Matter can not be created nor destroyed: it can only be

Destroyed a little bit

Invisible

Transformed, changed

None of the above

A chemical reaction is balanced when

both sides have the same elements

Both sides have the same number of atoms

Same subscripts

Same coefficients

In a reaction A + B ----> C, reactant A has 4g and product C has 9g. How many grams does reactant B should have?

14g

According to the law of conservation of mass, how much mercury was present in the mercury (II) oxide?

55.8 g

64.2 g

60.0 g

126.0 g

Copper (Cu) and sulfur (S) were heated in a covered container. After the reaction was complete, the unreacted sulfur was removed. The table contains the results of the investigation. How much sulfur in grams failed to react with the copper?

1.32 g

4.54 g

5.02 g

10.88 g

4 grams of hydrogen and 32 grams of oxygen will combine to form:

36 grams of water

28 grams of hydroxide

32 grams of oxygen

36 grams of deuterium

In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?

4 grams

6 grams

8 grams

10 grams

In the chemical equation H₂O₂(ag) → H₂O(l) + O₂(g), the O₂ is a

reactants

yield

products

solid

The substances listed on the left side of a chemical equation are the

Products

Coefficients

Precipitates

Reactants

10.

The substances listed on the right side of a chemical equation are the

Yields

Reactants

Products

Precipitates

11.

Which is the Law of Conservation of Matter?

matter cannot be created or destroyed, it only changes form

matter can be created but it cannot be destroyed, it never changes form

matter can be destroyed but it cannot be created, it usually just changes form

matter is an unproven theory created by Hans Geiger

100 %

Conservation law of mass

Total questions: 11

Worksheet time: 13mins

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