1) A copper spoon had fallen into a container containing dil.HCl. What would happen to it in three days time ? [DAV2008]
2) Give reasons for the following :
a) Metals are used for making bells.
b) We can’t use pure gold to make jewellery.
3) A metal ribbon bums in air with bright white light and forms a white powder.
a) Which metal is this ?
b) Give the equation of the reaction taking place.
c) The metallic oxide formed would be acidic or basic in nature ?
1) A copper spoon had fallen into a container containing dil.HCl. What would happen to it in three days time ? [DAV2008]
2) Give reasons for the following :
a) Metals are used for making bells.
b) We can’t use pure gold to make jewellery.
3) A metal ribbon bums in air with bright white light and forms a white powder.
a) Which metal is this ?
b) Give the equation of the reaction taking place.
c) The metallic oxide formed would be acidic or basic in nature ?