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Question: (a) Explain why metals are mostly ductile and ceramics brittle at room temperature. (b) Describe what you understand by the following terms. Use appropriate il
formation of polyfunctional compounds
Why there are tie lines for 3 phase equilibrium however not for 2-phase equilibrium in a two-component system? Lever rule derived from mass balance gives the relative amounts o
How alkanes are prepaired?
Uses of Acetic anhydride (a) Acetic anhydride is used as an acetylating agent. (b) Acetic anhydride is used for the detection and estimation of hydroxyl and amino group.
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
Cross linked polymers : 1. These are polymers where monomers unit are crosslinked together to make a three dimensional network polymers. 2. These kind of polymers are hard,
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
Hydrocarbon - Aliphatic Hydrocarbon Organic compounds that made up of only carbon and hydrogen are known as hydrocarbons. Hydrocarbons mainly are two kinds (1) Aliphatic Hyd
Classification based upon molecular forces: Depending on the intermolecular forces, the polymers have been categorized into four types. (a) Elastomers (b) Fi
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