YOU ARE GIVEN TWO BEAKERS. ONE HAS 20 ml OF SODIUM HYDROXIDE, A STRONG BASE AND THE OTHER HAS 20 ml OF AMMONIUM HYDROXIDE, A WEAK BASE. BOTH HAVE THE SAME CONCENTRATION . GIVEN AN ACID AND AN INDICATOR HOW CAN YOU TELL THE STRONG BASE FROM THE WEAK BASE??????????? 

If we add the given acid drop wise into both beakers, the volume of the acid required to neutralize the weak base will be much lower than the volume of acid  required to neutralize the strong base.

the neutralization of the base is confirmed using indicator.

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