Chapter 4

Which one about water is incorrect?

• It can exist naturally in 3 different states

• It can change the states to another naturally

• It can be produced in a factory called water treatment plant

• It is a compound made of 2 elements, hydrogen and oxygen

Water in liquid form is called

Water change to gas during boiling and it is called as a/an

• steam

• water vapour

• ice

• water

Which process change water to gas at any temperature below 100⁰c

• Boiling

• Condensation

• Evaporation

• Metling

Temperature of 0⁰C allows the water to change to ice. What do you called this point?

• Melting point

• Boiling point

• Condensation point

• Freezing point

Which diagram show the changes of states in melting

• 
• 
• 
• 

Things that dissolve in water is a/an _________ substances.

• insoluble

• solution

• soluble

• inseparable

Soluble substances are refer as a

• solute

• solvent

• solution

• insoluble

Solute + solvent ----------> ________________

Based on the diagram, identify the related process?

• Chromatography

• Evaporation

• Distillation

• Filtration