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10th - 12th Grade

13 Qs

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Assessment

Quiz

Science, Chemistry

10th - 12th Grade

Medium

Created by

Mike Williams

Used 1+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a coefficient?
The small number on the right of the chemical symbol.
The large number in front of a chemical formula.
The number in between the chemical symbols.
The number behind a chemical formula.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the small number after an element in a chemical equation called.

Example: H2

Coefficient

Subscript

Atom

Equation

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determine the coefficients to balance the equation.

__Al +__HCl --> __H2 +__AlCl3

2,6,3,2

it's already balanced

4,12,3,4

2,1,4,5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the coefficients to balance the chemical equation.

___Al + ___O2--> ___Al2O3

4, 1, 2

4, 3, 4

3, 4, 1

4, 3, 2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance the equation.

__Mg + __Cl2 --> __MgCl2

1, 2,1

already balanced

2,1,1

1,1,2

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Enter coefficients as: # # # (don't forget to space; or you can use a comma too)

_ Al₂O₃ → _ Al + _ O₂

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which equation is balanced?

PbO2 + 2H2

SO2 + H20 --> H2SO4

2Na + 2H2O --> 2NaOH + H2

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