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An acid typically tastes sour, reacts with metals to produce hydrogen gas, turns blue litmus paper red, and has a pH below 7.

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Q: How can you recognize a substance is an acid?
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Related questions

Which substance is not an acid?

Water is a substance that is not an acid. It has a neutral pH of 7.


Is carbonic acid a pure substance?

Carbonic acid is not considered a pure substance because it is a weak acid that can dissociate into carbon dioxide and water. As such, it is a solution rather than a pure substance.


A substance of PH 1 is?

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How do you recognize battery acid?

It's an acid, you find it in abattery and it stings/burns you.


What is a substance that produces H plus ions in a water solution?

An acid is a substance that produces H+ ions in a water solution. Examples include hydrochloric acid (HCl) and sulfuric acid (H2SO4).


What is and acid?

Acid: A substance that can donate H+ ions. Alkali: A substance that can donate OH- ions.


Is a vinegar a acid or a base?

Vinegar is dilute acetic acid, which is an acid.


What is acid and allkaline?

Acid: A substance that can donate H+ ions. Alkali: A substance that can donate OH- ions.


What is an acid base?

An Acid is a substance that tastes sour and Base is a substance that tastes bitter and feels slippery.


Is bases an acid?

An Acid is a substance that tastes sour and Base is a substance that tastes bitter and feels slippery.


What substance has the lowest pH (0)?

the substance sike


Can an amphoteric compound act like an acid and a base?

Am amphoteric substance can react as a base but also as an acid.