What separation technique uses the boiling point of a substance?

• Evaporation

• Distillation

• Decantation

• Boiling

What are the two processes happened in a distillation process?

• Evaporation and Precipitation

• Condensation and Preparation

• Evaporation and Condensation

• Distillation and Decantation

It refers to the amount of solute that is being dissolved in a given solvent.

• Density

• Dilution

• Solubility

• Concentration

What is the pH range of acidic solution?

• 0-7

• 7-15

• 1-6

• 8-13

What is the change in the pH color of a basic solution?

• Blue to Blue

• Blue to Red

• Red to Red

• Red to Blue

Which of the following is a homogeneous solution?

• Salad

• Fried rice

• Sugar water

• Dirty air

Which of the following is not true about energy?

• It is the ability to do work.

• It can be created and destroyed.

• It can be transferred to heat things.

• It can be stored in fossils fuels and coals.

Which of the following lists is a source of renewable energy?

• Wind, solar, and crude

• Wind, fossil, and geothermal

• Hydropower, solar, and crude

• Hydropower, geothermal, and solar

What is the energy transformation occurs when gasoline burns in an automobile?

• chemical-mechanical-kinetic

• mechanical-potential-kinetic

• chemical-thermal-mechanical

• potential-chemical-mechanical

Which of the following is a measure of velocity?

• 12 m

• 12 m/s

• 12 m South

• 12 m/s South