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On the PH scale 7 is concidered neutral. Less tha 7 is acidity. Examples 0 is battery acid, strong hydrofluric acid, 2 - lemon juice, 3- vindgar. Black coffee and soft drinking water are in th PH 5 range. Tomato Juice and Acid rain are Ph4 range.
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∙ 14y ago
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What is a name given to substances with pH less than 7?
Acids
Difference between acids bases and neutral substances?
Acids - pH less than 7 Base - pH more than 7 Neutral - pH is 7
True or false Substances whose pH is less than 7 are acidic?
True
What is the name given substances whose pH is less than 7?
acidic, alkaline higher than 7
What is the range of values that are used to express the acidity or alkalinity of a system?
The pH scale. The pH scale goes from 0 to 14. Substances that have a pH of 7 are neutral, acids have a pH of less than 7, and bases have a pH of greater than 7.
What is a substance with a pH of 6?
The pH scale runs from 0 to 14. Pure water has a pH of 7, the half-way point of the pH scale. A pH between 0 and 7 indicates that a solution is acidic, and the lower the pH, the higher the acidity. A pH between 7 and 14 indicates that a substance is alkaline, and the higher the pH, the higher the strength of the alkali.
Why did the water pH change?
The water pH will change when substances are added to water. If the pH is more than 7 it makes the water basic and if it is less than 7 the water is acidic.
What is the ph of neutral substances?
7
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.
What are PH Substances higher than 7?
== == == ==
What is the pH number for neutral substances?
7
Neutral substances have this pH?
no i think it's 7
