Free Exam: Chemical Reactions - Concepts and Skills
Number of Questions in Test: 15
Number of Questions in Preview: 5
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Which law governs the balancing of chemical equations?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 2
Which of the following chemical equations is balanced?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 3
How many atoms TOTAL are in the following molecule?
Mg[sub]3[/sub](PO[sub]4[/sub])[sub]2[/sub]
Mg[sub]3[/sub](PO[sub]4[/sub])[sub]2[/sub]
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 4
Which of the following models shows a representation of decomposition?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 5
Which of the following accurately represents a single replacement reaction?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |