What is the main focus of the conservation of mass in chemical reactions?

Conservation of Mass in Reactions

Interactive Video
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Chemistry, Science, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The change in color of substances
The amount of energy released
The amount of matter in reactants and products
The temperature change during the reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the law of conservation of mass, what remains constant in a chemical reaction?
The type and number of atoms
The color of the products
The volume of the reactants
The number of molecules
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of water formation, how many hydrogen atoms are present on each side of the reaction?
Two
Four
Eight
Six
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass of a single water molecule in the given example?
18 grams
44 grams
32 grams
36 grams
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the law of conservation of mass state about the total mass of reactants and products?
The total mass of reactants is greater
The total mass of products is greater
The total mass remains constant
The total mass varies with temperature
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use correct terminology when defining the law of conservation of mass?
To confuse the students
To make the definition longer
To ensure clarity in communication
To avoid using scientific terms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What remains constant according to the law of conservation of mass?
The number of atoms
The volume of the reaction
The temperature of the reaction
The number of molecules
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