Here the amphoteric solvent, (H₂O) acts as an acid in the presence of a base and forms a hydroxide ion (OH⁻) by donating a proton. So NH₃ acts as a base and thereby accepts a proton to form its conjugate acid, that is ammonium ion (NH₄⁺). Hence the conjugate acid of NH₃ is NH₄⁺.
Leave leke ayega right ?
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I will miss uh..^-^...
Ohk..But tere bina acha nahi lagega..
I am the most luckiest girl to have uh..​hence proved Pavan equals to Ayesha...₹priceless