WHAT DO U MEAN BY :-
•ACID
•BASE
•INDICATORS
GOOD NIGHT GUYS ! SWEET DREAMS !
Good night to my dream girl ;) , 143 ;)
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WHAT DO U MEAN BY :-
•ACID
•BASE
•INDICATORS
GOOD NIGHT GUYS ! SWEET DREAMS !
Good night to my dream girl ;) , 143 ;)
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Answer:
acid, any substance that in water solution tastes sour, changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, reacts with bases to form salts, and promotes certain chemical reactions (acid catalysis). Examples of acids include the inorganic substances known as the mineral acids—sulfuric, nitric, hydrochloric, and phosphoric acids—and the organic compounds belonging to the carboxylic acid, sulfonic acid, and phenol groups. Such substances contain one or more hydrogen atoms that, in solution, are released as positively charged hydrogen ions (see Arrhenius theory).
the bottom support of anything; that on which a thing stands or rests:
An indicator is a substance that changes its color in acidic and basic medium. An indicator shows one color in an acidic medium and different colors in a basic medium so that they are called indicators. There are different types of indicators: