Science F1 KSSM Chapter 6

Which of the following forms a nucleus?

• Electron and proton

• Proton and neutron

• Electron and neutron

• Proton, electron and neutron

Which of the following is true about proton?

• Positively charged

• Negatively charged

• Neutral

• No charge

What is meant by mixture?

• Two or more elements / compounds that mix physically.

• Two or more compounds that mix to become an element.

• Two or more elements to become a compound.

• Two or more elements mix chemically.

What is the correct separation method for water and ethanol?

• Floatation

• Separation using magnet

• Chromatography

• Distillation

Which of the following is NOT an example of mixture?

• Cocktail

• Mixed ice water

• Sandwich

• Tiles

"This method is usually used to detect counterfeit documents by separating colouring in the pen ink."

The method stated above is...

• Floatation

• Chromatography

• Distillation

• Sedimentation

The following picture shows a method of mixture using floatation. Why can the liquids be separated using the method?

• Because oil has a higher density than water.

• Because oil has a lower density than water.

• Because water has high water surface retention.

• Because oil does not dissolve in the water.

What is the correct method to separate metal nails from pieces of glass?

• Floatation

• Separation using magnet

• Chromatography

• Distillation

The following picture is a method of separation of a mixture.

What is the name of this method?

• Filtration

• Separation using magnet

• Distillation

• Floatation

The following picture shows a method of separating a mixture.

What is the name of the method?

• Distillation

• Chromatography

• Filtration

• Sedimentation