Law Of Conservation Of Matter Review Question Preview (ID: 44590)


Law Of Conservation Of Matter. TEACHERS: click here for quick copy question ID numbers.

A burning candle is covered by a jar so that no matter can get in or out. The whole arrangement has a mass of 500 g. What will be the approximate mass of the arrangement when the candle is completely burnt, after four minutes?
a) 0 g
b) 50 g
c) 250 g
d) 500 g

Using the Law of Conservation of Matter, determine the number of grams of iron sulfide (FeS) that will be produced in this reaction. 112 g Fe + 64 g S → _____ g FeS
a) 48 g
b) 64 g
c) 112 g
d) 176 g

If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction?
a) 0 g
b) 2 g
c) 4 g
d) 8 g

Colton has an ice cube that has a mass of 4 grams. He places it in a sealed container and then puts it in the microwave on high. The ice cube melts after a few seconds. He removes the sealed container and checks the mass again. What will he find?
a) The mass of the melted ice cube was less than 4 grams.
b) The mass of the melted ice cube was more than 4 grams.
c) The mass of the melted ice cube could not be determined.
d) The mass of the melted ice cube remained the same at 4 grams.

Na + Cl → NaCl .... Sodium and Chlorine combine to form table salt. Given the chemical reaction, how many grams of Na + Cl would be required to produce 4 grams of table salt?
a) 2 g
b) 3 g
c) 4 g
d) 8 g

The law of conservation of matter states that...
a) matter cannot be created or destroyed
b) matter can be created and destroyed
c) matter can be created but not destroyed
d) matter cannot be created but it can be destroyed

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a) the product is doubled
b) the product is half the mass of the reactants
c) the mass changes depending on the reaction
d) the mass is the same

What is the part of the chemical equation on the left side of the arrow called? Fe + S -- FeS
a) reactants
b) products
c)
d)

The substances at the end of a chemical reaction are called the ____
a) product
b) chemical
c) yield
d) reactants

You add 5 grams of iron to HOW MANY grams of sulfuric acid to yield 12 grams of iron sulfide
a) 5 g
b) 12 g
c) 7 g
d) 17 g

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 44590 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links