Which of the following group of metals represent are magnetic properties?
Aluminium, copper
Cobalt, nickel, iron, steel
Copper, lead, brass, zinc
Iron, aluminium, zinc, lead
Cobalt, nickel, iron, steel all are magnetic materials. In the remaining groups there is atleast one non magnetic metal.
The figure represents the reactivity of metals then which of the following are correct?
(i) Sodium is more reactive than magnesium.
(ii) Magnesium ad aluminium metals displace lead.
(iii) Magnesium and aluminium metals displace calcium.
(iv) Iron and tin metals can displace magnesium.
(v) Most reactive metal is sodium.
(vi) Gold is least reactive.
(vii) Calcium and zinc metals displace iron.
Iron, copper, lead, aluminium among these which of the metals can be drawn into wires