Log in
Sign up for FREE
arrow_back
Library
Intro To Chemical Reactions Slide Show
By Joe Acquarelli
star
star
star
star
star
Share
share
Last updated almost 4 years ago
20 questions
Add this activity
zoom_in
1
2
zoom_in
Required
1
Required
2
3
4
5
6
zoom_in
Required
1
Required
1
Required
1
Required
1
7
8
zoom_in
Required
1
Question 7
7.
What does the + sign mean
separates just 2 reactants products
separates 2 or more reactants or products
separates zero reactants or products
Required
1
9
zoom_in
Required
1
Question 9
9.
Glow sticks are an example of a chemical change
True
False
10
zoom_in
Required
1
Question 10
10.
Hand warmers are an example of chemical changes
True
False
11
zoom_in
Required
1
Question 11
11.
Vinegar and baking soda is an example of a chemical change.
True
False
12
zoom_in
Required
1
Question 12
12.
Rust is not an example of a chemical change.
True
False
13
zoom_in
Required
1
Question 13
13.
Slime is not an example of a precipitate.
True
False
14
15
16
zoom_in
Required
1
Required
1
Required
2
17
18
19
20
zoom_in
Required
1
Required
1
Required
3
Required
3
Question 1
1.
What happens during a chemical reaction?
Atoms are not rearranged to from a new substance
New substances are formed with the rearrangement of atoms
No new substance is formed
Question 2
2.
What 2 elements are shown in the slide to your right?
Hydrogen and oxygen
Hydrogen and osmium
Helium and osmium
Helium and oxygen
Question 3
3.
What side of the yield arrow do you find the reactants?
left
D
right
C
Question 4
4.
Substances that are destroyed by the chemical change are the reactants.
True
False
Question 5
5.
Substances created by the chemical change are called products
True
False
Question 6
6.
What side of the yield arrow do you find the products?
Right
Left
Question 8
8.
What does the arrow/yield sign mean?
separates reactants from products
separates elements form compounds
separates products from reactants
Question 14
14.
What is the subscript in a chemical equation?
is the large-sized number on the bottom right of the symbol
is the small-sized number located on the bottom right of the symbol
is the small-sized number located next to the element
is the large-sized number located next to the element
Question 15
15.
What is the subscript in a chemical equation?
is the large-sized number on the bottom right of the symbol
is the small-sized number located next to the element
is the large-sized number located next to the element
is the small-sized number located on the bottom right of the symbol
Question 16
16.
What elements are present in the chemical equation?
osmium and hydrogen
oxygen and helium
osmium and helium
oxygen and hydrogen
Question 17
17.
Exothermic energy aborbs heat energy from its surroundings.
True
False
Question 18
18.
Endothermic energy releases heat energy to its surroundings.
True
False
Question 19
19.
Check all boxes that are examples of exothermic energy
ice cream melting
crayons melting in the sun
lighting a match
hand warmers
combustion car engine
frozen lake
Question 20
20.
Check all boxes that are examples of endothermic energy
crayons melting in the sun
hand warmers
lighting a match
frozen lake
combustion car engine
ice cream melting
