Question

a beaker contains a clear, colourless liquid.If it is water,how could you determine whether it contained dissolved table salt? Don't taste it!​

Answer 1

Answer:

we will pass electricity through it, according to circuit given below.

if it contains only pure water then, bulb will not glow but if salt is present in water then, bulb will glow due to presence of ions in water having table salt which conduct electricity.

I hope it will help you a lot.