Carbon,Diamond and Graphite are together called:___________?

Carbon,Diamond and Graphite are together called:___________?

A. Allotrope (Correct)
B. Isomers
C. Isomorphs
D. Isotopes

The term allotrope refers to one or more forms of a chemical element that occur in the same physical state. … Allotropes may display very different chemical and physical properties. For example, graphite and diamond are both allotropes of carbon that occur in the solid state

 

In a furnace employing forced draught as compared to induced draught______________________?

In a furnace employing forced draught as compared to induced draught______________________?

A. Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced
B. The fan operates hot and hence blades are liable to corrosion and erosion
C. Positive pressure exists in the furnace (Correct)
D. None of these