Balancing equations

Balancing equations

10th Grade

31 Qs

quiz-placeholder

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Balancing equations

Balancing equations

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Joan Simonson

Used 3+ times

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31 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The Law of Conservation of Matter

tells how many atoms of an element are contained in one molecule or formula unit.

the starting materials in a chemical reaction

the new substances that are formed in a chemical reaction

A law stating that atoms are not created or destroyed during a chemical reaction.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe

yes

no

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Balance this 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

2 mins • 1 pt

The coefficient in 3H2O is

6

5

2

3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many atoms of carbon (C) are in C6H12O6?

3
6
12
24

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O

Reactants
Products 
Yields 
Chemical Equation 

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O

Reactants
Products 
Yields 
Chemical Equation 

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