MCQ
Cresol is
- ✓A mixture of three cresols with little phenol
- BUsed as dye for wood
- CA soapy solution of cresols
- DHaving an aldehyde group
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$(I)$ They have high melting points, higher than those of pure metals
$(II)$ They are very hard
$(III)$ They retain metallic conductivity
$(IV)$ They are chemically more reactive than the pure metals
