WEEK 1 PRETEST GEN CHEM 1

Burning a paper turning into ash is an example of what process?

• Chemical Change

• Extensive Property

• Intensive Property

• Physical Change

Which of the following is the example of intensive property

• Boiling point

• Length

• Mass

• Volume

Distillation is used to separate a mixture containing ________?

• Dissolved solid on liquid

• Mixture based

• Undissolved solid in a liquid

• Volatile components

The following are the examples of compounds except?

• Carbon Monoxide

• Hydrogen Peroxide

• Potassium

• Sodium Chloride

Thor, would like to buy pancit canton for his breakfast, but he swathe pancit canton contain low level of ethylene oxide a chemical used for pesticide. What should Thor do?

• Buy the pancit canton

• Find the ethylene oxide free pancit canton

• Test the pancit canton

• find an alternative breakfast