B. Modified True or False. Write Correct if the statement is true. If not, changed the underlined word or phrases to make it true.
1. A hydrocarbon with at least one triple bond is called alkyne.
2. The boiling point of hydrocarbons decreases as the number of carbon atoms increases.
3. Alkenes contain only single bonds.
4. Propyne is produced when calcium carbide reacts with water.
5. Hydrocarbon are made of Carbon and Hydrogen.