Copy Chemistry Unit Test Review
Flashcard
•
Chemistry
•
7th - 8th Grade
•
Practice Problem
•
Easy
Leslie Woods
Used 1+ times
FREE Resource
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31 questions
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1.
FLASHCARD QUESTION
Front
Which of the following is a chemical change?
- boiling water at 100 C
- chopping up a piece of wood
- baking a cake
- dissolving sugar in water
Back
baking a cake
2.
FLASHCARD QUESTION
Front
Which of the following is a physical change?
- dissolving
- Rusty metal
- sour milk
- A compound
Back
dissolving
3.
FLASHCARD QUESTION
Front
Which of the following is a chemical change?
- using chalk
- water freezing
- slicing cheese
- digesting food
Back
digesting food
4.
FLASHCARD QUESTION
Front
The substances at the beginning of a chemical equation are called the ____
Back
reactants
5.
FLASHCARD QUESTION
Front
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
Back
Mg and O2
6.
FLASHCARD QUESTION
Front
In a chemical reaction, everything to the right of the arrow is called ______________.
Back
Products
7.
FLASHCARD QUESTION
Front
Which of the following is evidence of a chemical reaction? Options: bubbles w/out added heat, water changing to ice, saltwater, paper being cut in half
Back
bubbles w/out added heat
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