NEW
Font size
S
M
L
XL
WorksheetsRates of Reactions
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
In this image, the information in red is called the_______.
a)
Product
b)
Reactant(s)
c)
Chemical Subscript
2.
In this image, the information to the right of the arrow (in black) is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
3.
Read the following chemical formula: C6H12O6. How many hydrogen atoms are in the formula?
a)
12
b)
6
c)
4
4.
You mix lemon juice and baking soda. The temperature drops on the thermometer. This is a ______reaction.
a)
Exothermic
b)
Endothermic
c)
Ionic
5.
H2O is the chemical formula for ______.
a)
Salt
b)
Water
c)
Vinegar
6.
What type of reaction is this?
a)
Endothermic
b)
Exothermic
c)
Isotopic
d)
Elemental
7.
____________is impacting the chemical reaction in this image
a)
Temperature
b)
Catalysts
c)
Concentration
8.
The raw and cooked potato are reacting differently because of catalysts. A catalyst helps__________.
a)
Speed up a reaction
b)
Slow down a reaction
9.
The ______________is required to break the bonds of the reactants.
a)
Activation energy
b)
Plutonic energy
c)
Carbonic energy
d)
Heliocentric energy
10.
Most plastics are made from_________.
a)
Petroleum (oil)
b)
Rubber
c)
Paper
11.
What is the atomic number of this element?
a)
Carbon
b)
12.01
c)
6
d)
C
12.
What is the red arrow in this image pointing to?
a)
A chemical formula
b)
A chemical equation
c)
The chemical symbol for Hydrogen
13.
What type of reaction is in this image?
a)
Endothermic
b)
Exothermic
c)
Ionicthermic
14.
Mixing ammonium nitrate and water creates a drop in temperature. This is the same materials in an ice pack. This kind of chemical reaction is known as.....
a)
endothermic reaction
b)
exothermic reaction.
c)
thermosphere reaction
15.
The law of conservation of energy states that energy and mass after a reaction is (are)...
a)
Less
b)
More
c)
The same
Reset
