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Ph tells you how acidic/basic a solution is. It is a measure of the relative concentrations of H+ ions to OH- ions.
Lincoln Wolf
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What are pH strips?
pH strip are strips that tell you what substances are acids alkali or neutral
What is the ph of neutral substances?
7
What two substances cause corrosion?
oxygen and low pH (acidic) substances.
What has the pH of 5.5?
Many substances have a pH of 5.5. For example, everyday rainwater has a pH from 5 to 6.5 usually.
What substances help the regulation of pH in organisms?
buffers
What are pH strips?
pH strip are strips that tell you what substances are acids alkali or neutral
What is the importance of knowing pH levels of substances to the wider community?
substances of ph
How do certain substances affect the pH level of tap water?
Acidic substances will lower pH and more alkaline or basic substances will put it above the neutral value of pH = 7
Substances acts to stabalize the pH of the solution?
Substances that act to stabilize the pH of a solution are called buffers.
Why do some substances with high pH burn your skin while substances of similar pH do not burn your skin?
The pH is not the only risk factor of a substance.
What has a pH of about 3?
Substances with a pH level of below 7 are said to be acidic and substances above the pH level of 7 are alkaline. An example of a substance with the pH of about 3 is orange juice.
Why are acidic substances lower in pH value than basic substances?
because the substance is high on pH value because the substance is high on pH value
How does pH enter freshwater?
Water will always have a pH. pH is a measure of how acidic or basic a solution is. Intruduction of basic substances such as carbonates will raise pH. Introduction of acidic substances such as carbonic or sulfuric acid will lower pH.
What is the ph of neutral substances?
7
What two substances cause corrosion?
oxygen and low pH (acidic) substances.
What are PH Substances higher than 7?
== == == ==
What is the pH number for neutral substances?
7
