classify the acid based on its origin, strength and level of water.
Answers
What are Acids?

Acids are a molecule or other species which can donate a proton or accept an electron pair in reactions. The word “acid” is derived from the Latin word “acidus” which means sour. All acid elements have a few things in common i.e all are sour in taste, they turn blue litmus paper to red, and lose their acidity if they’re combined with alkaline substances. The pH level of acids ranges from 0 – 6.
Some common examples of acids are Citrus fruits such as lemons, limes, oranges, grapefruit, etc. All these fruits contain citric acid. Hence, they taste sour or tart. Citric acid is a weak acid but still, it produces hydrogen ions when mixed with water and that’s why the pH of lemon juice is 2. Another example of an acid is vinegar. Vinegar consists of acetic acid. Ever wondered why your skin becomes red and swollen after an ant bite or a mosquito bite? Because these insects inject formic acid which causes such skin reactions. Nitric acid, sulfuric acid, hydrochloric acid, etc. are other common ones.
Properties of Acids
The properties of Acids are as follows;
Acids change the color of blue litmus to red
They change the color of Methyl Orange/Yellow to Pink
Acidic substances converts Phenolphthalein from deep pink to colorless
Are sour or tart in taste
The pH level of acids range from 0-6
Acids lose their acidity when combined with alkalines
They destroy the chemical property of bases
When reacting with metals they produce hydrogen gas
Acids produce carbon dioxide when reacted with carbonates.
Most acids are corrosive in nature which means that they tend to corrode or rust metals.
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