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Andesite has an intermediate composition between "basic" and "acid."
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∙ 9y ago
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Is ammonium hydroxide a basic or an acid?
Basic
Is salicylic acid acidic basic or neutral?
It is slightly basic. Behaves almost completely neutral.
Is sulphanilic acid basic or acidic?
Obviously its acid, because its name is acid
Is an alkali an acid?
No an alkali is the opposite of an acid. Alkali = basic; acid = acidic.
Is ch3cooh acidic or basic?
It is an an acid called acetic acid.
What is the pH of andesite?
Andesite does not have pH. pH is a measure of how acidic or basic an aqueous solution is, meaning a solution in which the solvent is water. Andesite is a rock, not an aqueous solution. The terms "acidic" and "basic" were once used by scientists to describe the composition of igneous rocks, but this was based on an incorrect interpretation of their chemistry. These terms were replaced with felsic and mafic respectively. In either case, andesite is considered intermediate.
Is andesite sandstone?
No. Andesite is a volcanic rock.
How old is andesite?
Andesite is not any age in particular. Some deposites of andesite may be hundreds of millions of years old. However, since andesite is volcanic, some andesite rocks may only be minutes old.
Is andesite a mineral?
No. Andesite is an extrusive igneous rock.
Is Andesite an igneous?
Yes. Andesite is an extrusive igneous rock.
Is andesite plutonic?
No. It is volcanic. The plutonic equivalent of andesite is diorite.
Is andesite phaneritic or aphanitic?
Andesite may be aphanitic or porphyritic.
Are diorite and andesite similar?
Yes. Diorite and andesite are igneous rocks with the same composition. Andesite is the extrusive equivalent of diorite, which is intruisive.
Is dilute sulphuric acid basic or acidic?
Dilute sulfuric acid is still acid. It is NOT basic at all.
Is andesite an extrusive rock?
Yes. Andesite is the extrusive equivalent of diorite
Which volcanoe have eruptions of andesite and dacite?
Andesite and dacite are produced by stratovolcanoes.
Is andesite intusive?
No. Andesite is an extrusive rock. Its intrusive equivalent is diorite.
