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Polymer
Polymers are compound of extremely high molecular masses made by the combination of a large number of simple molecules.
The simple molecules that combine to offer polymers are termed as monomers. The method through which the simple molecule (i.e. monomers) is transformed into polymers is known polymerisation.
For instance: Polyethylene
1. All polymers are macromolecule although all macromolecules are not polymers as polymer consist repeating unit of monomer for example chlorophyll is a macro atom although not a polymer.
Which of the following substances has covalent bonding: (1) Germanium (2) Sodium chloride (3) Solid neon (4) Copper Ans: Germanium
1. Alcohols and amines are both nucleophilic. Explain why this reaction occurs to form Benadryl (diphenhydramine) 2. Outline a reasonable synthesis of the following:
dry test of cuso4
Discuss about the different types of stones used for the construction and how to determine the good quality stone?
ELECTROCHEMICAL THERMODYNAMICS Notation: To avoid repetitive drawing of complicated cells diagram, a common notation has been adopted for cells. All electrical contacts
characteristics of irreversible reaction
Atomic absorption spectrophotometry: Atomic absorption spectrophotometry (AAS) concerns the absorption of radiation by the atomised analyte element in the ground state. The at
In the reactant SO2 + O2 , then in the product it became SO3 , how?
Electronegativity may be described as the power of an atom to attract electrons to itself in a chemical bond. It is the most important chemical parameter in calculating the type of
There energy becomes lesser due to completely filled orbitals.
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