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Post-harvest treatments
Certain post-harvest treatments to fruits and vegetables can bring down spoilage significantly. A wide range of chemicals used to control post-harvest diseases include chlorine, sulphur dioxide, dichloran etc. Extension of storage life of fresh produce could be obtained by treatment with skin coatings like wax coating of fresh fruits and vegetables. Treatment of fruits with ethylene or ethylene-releasing chemicals such as ethrel or calcium carbide helps in the induction of early and uniform ripening.
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Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an
Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
if the ozone layer distroyed then earth cool why
Branched chain polymers - Classification of polymers These are polymers where the monomers are connected to make long chains with side chains or branches of dissimilar sizes.
Chemical Properties Proteins - Salt formation (i) Salt formation : Due to existence of both -NH 2 and -COOH groups in proteins, they make salts along with acids and bases.
What is +M and -M effect?
Physical properties of Alkynes (a) it is a colourless gas. It comprises a garlic odour. The odour is because of existence of impurities of phosphorous and hydrogen sulphide. Th
The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy obtained from burning 1.20 pounds of butane (fuel v
Magnesium is the lightest of the structural metals. While this low density is an attractive property, magnesium also has a high corrosion rate that has often been seen as a disadva
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