Chemical Equations
Balance: H₂ + O₂ → H₂O
2H₂ + O₂ → 2H₂O
4200
Plastics are an example of what?
Polymer
Chlorine is used for what?
To kill microorganisms like bacteria.
Water makes up what percentage of the world's surface area?
71%
What does Cobalt(II) Chloride test the presence off?
Water
Water has how much surface tension?
High
What type of Plastic is used in water bottles.
PETE
What heavy metal can cause liver or kidney problems?
Lead
What pH does distilled water have.
A pH of 7
Ethanol is another transparent fluid like water. What is its chemical formula?
C₂H₅OH
What is dissolved in water and allows for aquatic life?
Oxygen
What type of Plastic is used in pipes.
PVC
2 to 3 mg
The largest inland body of water.
The Caspian Sea
What is the balanced chemical reaction between Anhydrous Copper Sulphate and Water.
CuSO₄(s) + 5H₂O(l) → CuSO₄·5H₂O(s) + Heat
You should not do what with distilled water?
Plastic can cause larger sea creatures and sea birds to get trapped by discarded fishing nets. True or False.
False
What are screens used for in the water purification proccess.
To remove floating rubbish in the water.
The melting point of salt water in the ocean?
-2 Celsius
The formula/name for any common fertilizer other than Na₅P₃O₁₀
Urea: CO(NH₂)₂
or any other acceptable answer.
What type of magnetic property does water exhibit?
Diamagnetic
A substance that can be broken down by microorganisms.
Biodegradable
In which country is the world's largest water treatment plant located?
Eygpt
What does NPK stand for?
Nitrogen, Phosphorus, and Potassium