define acid base & salt with suitable example & also write the difference between weak acid & strong acid
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Answer:
An acid is defined as a substance whose water solution tastes sour, turns blue litmus red and neutralizes bases. A substance is called base if its aqueous solution tastes bitter, turns red litmus blue or neutralizes acids.
Salt is a neutral substance whose aqueous solution does not affect litmus. According to Faraday: acids, bases, and salts are termed as electrolytes.
Bases are a group of substances that neutralise acids.
Soluble bases are called alkalis. They have a slippery, soapy feel and form solutions with pH values greater than 7. Common examples include sodium hydroxide, magnesium hydroxide, sodium hydrogen carbonate (sodium bicarbonate), sodium hypochlorite and ammonia.