Chemical Reactions 1 Question Preview (ID: 10596)
Chemical Equations.
TEACHERS: click here for quick copy question ID numbers.
What type of chemical reaction has 2 or more reactants and only 1 product?
a) synthesis
b)
c) replacement
d) decomposition
What type of reaction has 1 reactant and 2 or more products?
a) decomposition
b)
c) synthesis
d) replacement
A chemical reaction that releases energy in the form of light or heat
a) exothermic
b) decomposition
c) replacement
d) endothermic
A solid that can form when 2 liquids react
a) precipitate
b) combustion
c) crystalline
d) amorphous
Which of the following is NOT a sign of a chemical change?
a) change in state
b) change in color
c) gas is produced
d) precipitate forms
30g of substance A + 50g of substance B form how many grams of new susbtance?
a) 80g
b) 50g
c) 1500g
d) 20g
Energy that is required to start a reaction
a) activation energy
b) light energy
c) chemical energy
d) inhibitor
A chemical that is used to SPEED up the rate of a reaction.
a) catalyst
b) endothermic
c) exothermic
d) inhibitor
Substances at the beginning of a reaction, before the arrow
a) reactants
b)
c)
d) products
substances that are formed in a reaction, after the arrow
a) products
b) reactants
c) synthesis
d) decomposition
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: 10596 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 10596 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register