The methods $NOT$ involved in concentration of ore are

$(A)$ Liquation   $(B)$ Leaching    $(C)$ Electrolysis    $(D)$ Hydraulic washing    $(E)$ Froth floatation

Choose the correct answer from the options given below :

Modern method of steel manufacturing is

Choose the correct code regarding Roasting process.

$(I)$ It is the process of heating ore in air to obtain the oxide

$(II)$ It is an exothermic process

$(III)$ It is used for hydrated oxide and oxysalt ore 

$(IV)$ It is used after the concentration of ore

The process of the isolation of a metal by dissolving the ore in a suitable chemical reagent followed by precipitation of the metal by a more electropositive metal is called:

Consider the following statements :

$(a)$ When the lead-silver alloy rich in silver, lead is removed by the cupellation process

$(b)$ Froth flotation can be applied for non sulphide ore also using suitable activator

$(c)$ $PbSO_4 + H_2SO_4$, electrolyte is used for the refining of $Pb$ by electrolysis

$(d)$ Any metal will not reduce the oxide of other metals which lie above it in the Ellingham diagram.

Using $'T'$ for true and $'F'$ for false statements in the given sequence, select the correct set of code