9. Which of the following group of compounds is hydrocarbon?

a. methyl, butane, ethene b. decane, glycerol, formic acid

c. methanoic acid, acetone, propane d. acetaldehyde, propanol, methylamine

10. In order to stay away from catching diseases, Daniel always

bring with him alcohol for disinfectant. Which type of alcohol

should he use?

4. Butanol b. Ethanol

c. Isopropanol d. Methanol

11, Alkynes contain hydrogen and carbon atoms with which of the following bonds connecting the carbon atoms together?

a single b. double

c. triple d. All of the above

12. Which of these substances is a plant hormone that triggers

fruit ripening?

a. benzene b. ethane

c. ethylene d. methane

13. Which pair of compounds contain carbonyl group?

a. Esters and Ethers

b. Amides and Alkanes c. Aldehydes and Ketones

d. Ketones and Carboxylic Acids

14. Maria decided to change the color of her nail polish with the use of acetone. Acetone is an example of?

a. aldehyde

b. ester​