A) Water is said to be in three states of matter. Name them. b) State the minimum capacity of single point heater 30. List the FOUR stages of water treatment.

Here are the answers to your questions:

29. a) Water is said to be in three states of matter. Name them.
i. Solid (ice)
ii. Liquid (water)
iii. Gas (steam/water vapor)

29. b) State the minimum capacity of single point heater
The minimum capacity of a single point heater is typically around 5 to 10 liters.

30. List the FOUR stages of water treatment.
i. Coagulation and Flocculation
ii. Sedimentation
iii. Filtration
iv. Disinfection