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Vulcanization of rubber
The procedure of heating natural rubber with sulphur to enhance its properties is known as vulcanization. Vulcanization was illustrated by Charles Goodyear. Even though natural rubber is thermoplastic substance where there are no cross link among the polymer chain and it on vulcanization set into a specified shape that is retained.
Q. Objective of elements of group 16? You should be able to: • describe the occurrence, extraction and uses of the elements of Group 16, • describe the allotropic forms o
If change in energy (ΔE) = 3x 10 -8 j, h= 6.64x 10 -34 j-s and c= 3x 10 8 m/s then wavelength of the light is: (1) 6.36x 10 3 Å (2) 6.36x 10 5 Å
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Thermosetting polymers - Classification of polymers These are the polymers which go through permanent modification on heating. They get firm and infusible on heating. They are
Doctors prescribe medicine based upon body weight. The recommended dose is 5.0 mg antibiotic per kg body weight and the antibiotic is dissolved to form a solution with a concentrat
How do I cite information that I get from this website? Specifically, I''d like to know what textbook this comes from: http://www.expertsmind.com/topic/chemistry/solvent-extractio
Lithium Fluoride is less soluble in water. But in some ways consider that when Lithium Fluoride dissolve in water, an alkaline solution will find. can u please explain that why thi
what is the difference between molarity and normality
In hydrogen spectrum the different lines of Lyman series are present is : (1 )UV field (2) IR field (3) Visible field (4) Far IR field Ans: UV field
Predicting the feasibility of reaction and does not show the rate of chemical reaction
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