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PS.M.5.a Reactants and Products
By Beth K Curran
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Last updated over 5 years ago
8 questions
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Question 1
1.
In the chemical equation CH
4
+ 4Cl
2
--> 1CCl
4
+ 4HCl, select everything that is a reactant:
CH
4
Cl
2
CCl
4
HCl
Question 2
2.
In the chemical equation CH
4
+ 4Cl
2
--> 1CCl
4
+ 4HCl, select everything that is a product:
CH
4
Cl
2
CCl
4
HCl
Question 3
3.
In the chemical equation NaHCO
3
+ HC
2
H
3
O
2
→ NaC
2
H
3
O
2
+ H
2
O + CO
2
, select everything that is a product:
NaHCO
3
HC
2
H
3
O
2
NaC
2
H
3
O
2
H
2
O
CO
2
Question 4
4.
In the chemical equation NaHCO
3
+ HC
2
H
3
O
2
→ NaC
2
H
3
O
2
+ H
2
O + CO
2
, how many products are there?
1
2
3
4
Question 5
5.
Is it possible to have a chemical reaction where there is only one reactant?
Yes
No
Question 6
6.
If a gas is produced in a chemical reaction, does that gas count as a product?
Yes
No
Question 7
7.
If Al and Br
2
react, what is the product?
There is no product, because Al and Br
2
will not react
AlBr2
AlBr
AlBr3
Al2Br
Al3Br
Question 8
8.
A tree takes in water and CO
2
and uses energy from the sun to make carbohydrates. Which statement is true?
This is not a chemical reaction, because it occurred in a living thing.
This is not a chemical reaction, because there are no reactants.
This is a chemical reaction, and water and CO
2
are the reactants.
This is a chemical reaction, and energy is the only reactant.