Correct answer
C. Noble metals (Ag, Pt, Au)
Explanation
The correct answer is Noble metals (Ag, Pt, Au).
Which of the following fastening devices has a head at one end and a nut fitted to the other?
Hold up of material in a operating rotary drier is in the range of________?
With increase in the alumina content in firebricks, its fusion point (refractoriness)?
In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?
Straight run petrol as compared to methyl/ethyl alcohol has________?
The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are?