The solid element A exhibits the property of catenation. It is also present in the form of a gas B in the air which is utilised by plants in photosynthesis. An allotrope C of this element is used in glass cutters. (a) What is element A? (b) What is the gas B? (c) Name the allotrope C. (d) State another use of allotrope C (other than in glass cutters) (e) Name another allotrope of element A which exists as spherical molecules. (f) Name a yet another allotrope of element A which conducts electricity.

The solid element A exhibits the property of catenation. It is also pr

1.	The solid element A exhibits the property of catenation. It is also present in the form of a gas B in the air which is utilised by plants in photosynthesis. An allotrope C of this element is used in glass cutters. (a) What is element A? (b) What is the gas B? (c) Name the allotrope C. (d) State another use of allotrope C (other than in glass cutters) (e) Name another allotrope of element A which exists as spherical molecules. (f) Name a yet another allotrope of element A which conducts electricity.
Answer» The solid element A exhibits the property of catenation. It is also present in the form of a gas B in the air which is utilised by plants in photosynthesis. An allotrope C of this element is used in glass cutters. (a) What is element A? (b) What is the gas B? (c) Name the allotrope C. (d) State another use of allotrope C (other than in glass cutters) (e) Name another allotrope of element A which exists as spherical molecules. (f) Name a yet another allotrope of element A which conducts electricity.