The signs of a chemical reaction
Interactive Video
•
Science
•
10th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Agata Giec-Ujda
Used 5+ times
FREE Resource
Standards-aligned
12 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What happens when a chemical reaction takes place?
the atoms get rearranged and make new bonds
nothing is made
the atoms stay the same
a new substance is made
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the candle burns , the heat is
released into the surroundings
absorbed by the candle
Tags
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reactions like candle burning and acid mixing in base that release heat are called
endothermic
exothermic
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific sign of reaction when the substance is rusting?
heat release
heat absorption
color change
gas production
precipitate formation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A color change indicates that the substance made is
the same chemically and physically
totally different chemically and physically
neither the same nor different
both the same and different chemically and physically
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Boiling produces bubbles and is an example of A)_______ because B)______
A) a physical change B) water is still water
A) a chemical change B) water is no longer water
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a precipitate in a chemical reaction?
a liquid formed that falls on the bottom of the test tube
a solid formed that falls on the bottom of the test tube
a gas formed that bubbles in the test tube
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