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Classification of polymers - Linear polymers
These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are fine packed and comprise high magnitude of intermolecular forces of attraction and hence have high tensil (pulling) strength, high melting points and high densities. Some common instances of sequential polymers are high density polyester, PVC, polyethylene nylon, PAN etc.
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
Originally, chewing gum was made from the latex sap of the sapodilla tree (native to Central America). This sap was known as chicle. Other natural gum bases may be used, such as je
Write chemical tests to distinguish among: a) Phenol and Benzoic acid b) Propanal and propanone c) Formic acid and Acetic acid
Distillation under reduced pressure - Purification of organic compounds This process is employed for the purification of high boiling liquids and liquids that decompose at o
Physical properties of Succinic Acid (a) Succinic Acid is a white crystalline solid. It melts at 188° C (b) Succinic Acid is less soluble in water. It is comparatively more
The energy released when one mole of ionic crystal is produced by the combination of the corresponding gaseous (+ve) and (-ve) ions brought from infinite distance is known as latti
2 Kg of ice at -20 degree C is diverse with 5Kg of water 20 degree C in an insulating vessel having negligible heat capacity. Measure the final mass of water remaining in the con
In a Ecell, why do you flip the value of the smaller value?
Q. Determine Equilibrium Constants for Acid and base? Ans. The pH scale of acidity is a simple and convenient way to state the acidity of a solution. The
Take these values into account and comment on the relation between the heat of formation of the gases and the vibrational frequencies again.
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