NEET Questions Solved


Sulphide ores are common for the metals:

(a) Ag, Cu and Pb

(b) Ag, Cu and Sn

(c) Ag, Mg and Pb

(d) Al, Cu and Pb

Concept Videos :-

#1 | Different Steps Involved in Metallurgy:I
#2 | Different Steps Involved in Metallurgy:Leaching
#3 | Bayer's Process
#4 | Physical Methods of Concentration of Ore
#5 | Calcination
#6 | Roasting
#7 | Some Basic Concepts of Metallurgy
#8 | Conversion of Concentrated Ore into Crude Metal
#9 | Pyrometallurgy
#12 | Electrometallurgy (or Electrolytic Reduction)

Concept Questions :-

Intro - Flux, Leaching, Roasting & Calcination

(a) Metals having high polarising power (Zeff) exist in ore with anions having high polarisibility

Ag, Cu, Pb Sulphide ores (Ag2S, CuFeS2, Pbs)

Sn  Oxide ore (SnO2)

Mg Sea water and dolomite  (CaCO3, MgCO3)

Al Oxide ore (Al2O3.2H2O)

Difficulty Level:

  • 70%
  • 12%
  • 8%
  • 12%
Crack NEET with Online Course - Free Trial (Offer Valid Till September 17, 2019)