To interpret chemical formulae

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To interpret chemical formulae - Exit Quiz

Answer the questions below. When you submit the quiz, you will receive feedback on any incorrect answers.

What is the chemical formula for hydrochloric acid? *

1 point

H2O

HCl

ClOH

H2Cl

Select the correct chemical equation for the given word equation: nitrogen gas reacts with hydrogen gas to form ammonia. *

1 point

N2 + H2 --> NH3

N2 + 2H2 --> ammonia

N + H3 --> NH3

2N2 + 3H2 --> 2NH3

Which of the following equations is balanced? *

1 point

2HCl + 2Na --> 2NaCl + H2

Na + 2H20 --> 2NaOH + H2

H2O2 --> H2O + O2

CH4 + Cl2 --> CCl4 + HCl

What is the ratio of hydrogen to oxygen molecules in water (H2O)? *

1 point

2:1

1:1

1:2

2:0

How would you represent the following compound using a chemical formula? *

1 point

C4H

HC4

4CH

CH4

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