S1 Chemistry Core 1 & 2 Revision Questions

What state of matter is represented by this particle diagram?

• Solid

• Liquid

• Gas

• Plasma

What state of matter is represented by this particle diagram?

• Solid

• Liquid

• Gas

• Plasma

What state of matter is represented by this particle diagram?

• Solid

• Liquid

• Gas

• Plasma

When a substance freezes, heat ______ is removed.

• energy

• particles

• mass

• water

What is the best way to remove salt from water?

• Evaporation

• Filtration

• Distillation

• Chromatography

What is the best way to remove sand from water?

• Evaporation

• Distillation

• Filtration

• Chromatography

What is the best way to separate two liquids with different boiling points?

• Evaporation

• Distillation

• Filtration

• Chromatography

What is the best way to separate two substances eg. inks with different solubilities?

• Evaporation

• Distillation

• Filtration

• Chromatography

Which of the substances is pure (not a mixture) and cannot be separated?

• Molten (melted) iron

• Lemonade

• Coffee

• Hair Conditioner

To increase the concentration of a solution...

• Add more solvent

• Add more solute