(b) The melting points of metals A and B are and respectively. They form an intermetallic...

 

Transcribed Image Text:

(b) The melting points of metals A and B are and respectively. They form an intermetallic compound C, containing 75 percent of A which melts at. Mixtures containing 20 percent and 90 percent of A melt at constant temperatures at and respectively. marks] marks] mark] (i) Draw an approximate equilibrium diagram and label each area to indicate the equilibrium involved. [4 Explain what happens on cooling liquid mixture containing 50% of A. [1½ (111) Describe the effect of melting a mixture of zinc in a lead - silver alloy. [½ (b) The melting points of metals A and B are and respectively. They form an intermetallic compound C, containing 75 percent of A which melts at. Mixtures containing 20 percent and 90 percent of A melt at constant temperatures at and respectively. marks] marks] mark] (i) Draw an approximate equilibrium diagram and label each area to indicate the equilibrium involved. [4 Explain what happens on cooling liquid mixture containing 50% of A. [1½ (111) Describe the effect of melting a mixture of zinc in a lead - silver alloy. [½

Answer rating: 100% (QA)

i The equilibrium diagram for the system can be roughly represented by the following sketch Here the melting point of metal A is lower than that of metal B The intermetallic compound C is formed betwe... View the full answer