Chemisty and life - Water quality
3 important questions on Chemisty and life - Water quality
How does water occur on earth
In all three phases
1. Water vapour in the air (gas)
2. Surface water and groundwater (liquid)
3. Ice (solid)
1. Water vapour in the air (gas)
2. Surface water and groundwater (liquid)
3. Ice (solid)
What does each step to the right mean on the pH scale
The solution contains ten times as many base particles
When is litmus blue
When the pH is more than 7
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