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Chem Review 2/27

Authored by Nina Ranford

Chemistry

11th Grade

NGSS covered

Used 2+ times

Chem Review 2/27
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fill in the blanks with coefficient:
PCl5+_ H2O→_ HCl+H3PO4

4, 5
1, 6
3, 8
2,2

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side of a chemical equation is the product side?

Left (before the yields sign)
Right (after the yields sign)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which problem is balanced?

PbO2 + 2H2--> H2SO4
SO2 + H20 --> H2SO4
2Na + 2H2O --> 2NaOH + H2
2Na + 2H2O --> 2NaOH + H

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance this equation.
_Mg + _Cl--> _MgCl2

1, 2,1
already balanced
2,1,1
1,1,2

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of aluminum are on each side of the following equation: 4Al + 3O--> 2AlO3

2
6
1
4

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The blue numbers in the image below represent ________

Charges
coefficients
subscripts
none of the answers are correct

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Number of H in 3(NH₄)₂CrO₄

4
6
8
24

Tags

NGSS.MS-PS1-1

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