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Answer 1

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.
• Strong Acids: An acid which can be dissociated completely or almost completely in water is known as a strong acid. For e.g. sulphuric acid, nitric acid, hydrochloric acid, etc
• H+ + H2O <—-> H3O+
• HCl(aq) <—-> H+(aq) + SO4-(aq)
• H2SO4(aq) <—> 2H+(aq) + SO4-(aq)
• Weak Acids: An acid which doesn’t dissociate completely or dissociates negligibly in water is known as a weak acid. For e.g. Those that which we usually consume on daily basis i.e. citric acid, acetic acid, etc.

CH3COOH9(aq) <—–> CH3COO-(aq) + H+(aq)

HCOOH(aq) <—> HCOO-(aq) + H+(aq)

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.

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