ACID AND BASESACID AND BASES

ACIDSACIDS

Acids are sour in tasteAcids are sour in taste Present in fruit , vegetables and human body as Present in fruit , vegetables and human body as

well as obtained from the earthwell as obtained from the earth Acids produce proton in aqueous solution Acids produce proton in aqueous solution Acids accepts the electrons Acids accepts the electrons

BASESBASES

Bases have bitter tasteBases have bitter taste Accept protonAccept proton Donate the pair of electron Donate the pair of electron

Chemical reactions of acid and Chemical reactions of acid and basesbases

Acids reacts with bases to form salt Acids reacts with bases to form salt and waterand water

HCl+NaOH NaCl+HHCl+NaOH NaCl+H22OO Acids reacts with metallic carbonate Acids reacts with metallic carbonate

to form carbon dioxide and waterto form carbon dioxide and water HCl+CaCOHCl+CaCO3 3 CaClCaCl22+H+H22O+COO+CO22

WHAT IS pHWHAT IS pH

pH is the concentration of hydrogen pH is the concentration of hydrogen ion and hydroxide ion in aqueous ion and hydroxide ion in aqueous solutionsolution

Its values varies from 0-14Its values varies from 0-14 Values below the 7 shows the strong Values below the 7 shows the strong

acids and values above the 7 shows acids and values above the 7 shows the basic character of compoundthe basic character of compound

7 shows the neutral character of 7 shows the neutral character of compoundcompound