Chemical Reactions Quiz
Quiz
•
Science
•
7th Grade
•
Hard
+2
Standards-aligned
Patrick Cochrane
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical reaction takes place when...
a substance mixes with another substance to form a heterogeneous mixture
a substance changes from a solid to a liquid
two or more substances are combined to form a new substance
two or more substances are mixed together, and the new substance has the same properties as the old substance
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the compound MgO, which of the following statements are true?
Magnesium will lose 2 electrons, oxygen will gain 2 electrons.
Magnesium will lose 2 electrons, oxygen will gain 1 electron.
Magnesium and oxygen will both lose 2 electrons.
Magnesium and oxygen will form a covalent compound.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-2
3.
DROPDOWN QUESTION
1 min • 1 pt
Balance the following equation.
(a) NaOH + (b) FeBr3 🡪 (c) NaBr + (d) Fe(OH)3
Tags
NGSS.MS-PS1-5
4.
DROPDOWN QUESTION
1 min • 1 pt
Balance the following equation.
(a) Na2SO2 🡪 (b) Na + (c) SO2
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about an ionic bond?
Electrons are transferred.
A cation combines with an anion.
A metal bonds with a non-metal.
all of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at the equation. According to the Law of Conservation of Mass, what would be the mass of Cl?
60 g
100 g
151 g
141 g
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the appropriate name for this compound: CaCl2
calcium dichloride
calcium chloride
monocalcium dichloride
calcium chlorine
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