because there is sulphuric acid in rain water, rain collects it naturally from soils in the ground and also gasses released from power plants around the world cause rain water to be slightly acidic and generally have a pH of around 6.7 depending on where you are in the world
Acids have a pH less than 7; a pH of 7 is considered neutral. Substances with a pH greater than 7 are considered alkaline or basic.
An acidic solution has a pH less than 7, a basic solution has a pH greater than 7 while a pH of 7 is neutral.
A pH less than 7 is called acidic. Substances with a pH less than 7 have a higher concentration of hydrogen ions than hydroxide ions.
Anything with a pH less than 7 is an acid. Anything with a pH greater than 7 is a base. pH = 7 is neutral
The definition of acidic is having a pH less than 7.
pollution causes a higher alkaline level in rain! google acid rain :)
Acids have a pH less than 7; a pH of 7 is considered neutral. Substances with a pH greater than 7 are considered alkaline or basic.
A pH of 7 is neutral A pH of less than 7 is acidic and a pH greater than 7 is basic.
An acidic solution has a pH less than 7, a basic solution has a pH greater than 7 while a pH of 7 is neutral.
A pH less than 7 is called acidic. Substances with a pH less than 7 have a higher concentration of hydrogen ions than hydroxide ions.
An acid pH is anything less than 7 including zero.
Anything with a pH less than 7 is an acid. Anything with a pH greater than 7 is a base. pH = 7 is neutral
Yes, rainwater typically has a pH slightly lower than 7, around 5.6-6.5 due to the absorption of carbon dioxide from the atmosphere. However, if rainwater is collected in a clean environment with minimal air pollution, its pH can be close to 7.
ph level less than 7----->acid ph level more than 7----->base .....^_^....
Acids have a pH value between 1 & 7.
A pH of 7 is neutral. pH<7= acidic; pH>7=basic
The definition of acidic is having a pH less than 7.