Match the column I with column II and mark the appropriate choice. Column I Column II (A) Galena (i) Abrasive (B) Diamond (ii) Metal carbonyls (C) Carbon monoxide (iii) Hydrides of Si (D) Silanes (iv) An ore of lead

Galena is also called as lead glance. It is an ore of lead. Silanes are the hydrides of silicon with common unit formula 4 SiH . Diamond is the hardest substance can be used as an abrasive. Carbon monoxide can be used to form metal carbonyls. Assertion-Reason Type Questions