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What is vulcanization
The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength, elasticity and resistance to swelling enhances tremendously. This process is called vulcanization. Vulcanization process brings stiffening of the rubber by anchoring and restricting the intermolecular movement of rubber chains. Tensile strength enhances, resilience enhances, and becomes more resistant to water, organic sol- vents, light and air.
how does salt bridge works??
(a) Give short notes of two basic types of sewerage system for collection of wastewater and surface water from built-up areas. (b) Many countries have included wastewater reuse
What is dielectric strength Dielectric strength- It's the maximum voltage/field gradient (voltage per unit thickness) which the dielectric can withstand without failure/brea
Elevation in boiling point : Mol. Mass = (1000 K b * w) /W+ ΔT In which, K b stands for Molal elevation constant of the solvent, w stands for Mass of the compoun
stuck on a chemistry assignment i need a way to include the elctron configuration and chemical properties of copper into a oral that is also a sales pitch.
Which of the following statements is not true for ionic compoundss: (1) High melting point (2) Least lattice energy (3)Least solubility in organic compounds (4) Solubl
Most polar solvents have Lewis base or donor properties resulting from lone-pair electrons. Good donor solvents inbuilt water, pyridine and ammonia, and are efficient at solvating
How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?
React Benzil with 60% NaOH
use and purpose 0
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