How many atoms are in 2H₂O₂?
How Can I Make New Stuff From Old? Learning Set 2

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Science
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6th - 8th Grade
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Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
8
2.
FLASHCARD QUESTION
Front
The products are on the ____________ side of a chemical equation.
Back
Right
3.
FLASHCARD QUESTION
Front
The reactants are on the ________ side of a chemical equation.
Back
Left
4.
FLASHCARD QUESTION
Front
Which of the following is a chemical reaction? (Burning paper, Chopping wood, Tearing paper, Smashing rocks)
Back
Burning paper
5.
FLASHCARD QUESTION
Front
The density of water is ___________.
Back
1.0 g/cm³
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where substances (reactants) transform into new substances (products).
7.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
In a chemical reaction, mass is neither created nor destroyed.
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