Did you notice the colour coating on silver and copper articles?

How you noticed that you are growing?

What colour do you observe ?

What do you do to prevent rusting of copper and silver articles ?

In a periodic table , where do you find the Gold , Silver and copper ?

What changes do you notice in the sky and in the atmosphere before it rains?

Did you notice any joint in the bones near eyes?

What do you notice from the angle of deviation ?

Did the lime water change colour ?

Silver is monovalent and has atomic mass of 108. Copper is divalent and has an atomic mass of 63.6. The same electric current is passed for the same length of time through a silver couloment and a copper coulometer. If 27.0 g of silver is deposited, then the corresponding amount of copper deposited is