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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.
The formation Alkenes by the dehydration of alcohols (using concentrated H 2 SO 4 ) the hydrogen atom will be separate (to remove as water) from the adjacent carbon atom correlated
What do you understand by molar conductivity at infinite dilution
Principal, azimuthal and magnetic quantum numbers are respectively related to: (1) Size, shape and orientation (2) Shape, size and orientation (3) Size, orientation and s
How many moles of octane must be burned to release 525.1 kcal ?
name the compound LiH
Calculate the activity of nuclides: Problem: 100 mg piece of a gold ornament containing 10% copper as impurity was irradiated with thermal neutrons at 2.1×10 11 n/cm 2
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
The difference among Threshold energy and average energy of the molecules is known as activation energy.
Q. How do you determine the oxidizing or reducing agent? Ans. A substance that oxidizes another substance is called an oxidizing agent. One that reduces another substance
Distinguishing among enantiomers requires a technique that has a chiral attribute. (a) Boiling point does not distinguish among two enantiomers. (b) Optical rotation does ha
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