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Synthetic Rubber - Classification of Rubber
The synthetic rubber is acquired by polymerising specific organic compounds that may have properties identical to rubber and some wanted characteristics. So many of these are developed from butadiene derivatives and consist of carbon-carbon double bonds. The synthetic rubbers are either homopolymers or copolymer of 1, 3 butadiene where one of the monomers is 1, 3 butadiene or its component that is why the polymer has the accessibility of double bonds for its vulcanization. Some extremely significant types are Neoprene, styrene, butadiene rubber that is SBR silicones, thiokol, polyurethane, rubber and so on.
What r the requirements for a good refractory material
The free energy change for the formation of oxide of aluminium is highly negative ( -1000 to -1100) so , it can easily reduce any metal oxide abve it easily in ellingham diamgram a
why the hydroxides of alkaline earth metals are less basic than alkali metals of the corresponding periods?
Q. What is the electromagnetic spectrum? Ans. Light is a very small slice of the electromagnetic spectrum, just the wavelengths that our eyes can see, which range from abo
what is uniform electrical charge
Q. Use values of Δ f H and Δ f G to evaluate the standard molar reaction enthalpy and the thermodynamic equilibrium constant at 298.15 K for the oxidation of nitrogen to form a
It is a part of chemistry which deals with the organic compounds formed by carbon , hydrogen ,oxygen.
It is Hydrated Potassium Aluminium Sulfate [ KAl(SO4)2·12H2O ].
Each element has a unique number of protons. This unique number is known as the element's atomic number . All atoms of a given element have the same atomic number. For example:
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