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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.
Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH
what will you observe if you freeze water at 4 degree celcious
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This of the following occurs when two hydrogen atoms bond with each others: (1) Potential energy is lowered (2) Kinetic energy is lowered (3) Electronic motion ceases
The atom of the element having atomic number 14 should have: (1) One unpaired electron (2) Two unpaired electrons (3) Three unpaired electrons (4) Four unpaired electr
The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2) Transferred fully from one atom to another (3) With iden
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
Q. Show Multiplying Quantities Written in Scientific Notation? Multiplying Quantities Written in Scientific Notation Solve the following problem. (2 * 10 14 cm) * (9 *
saltness analysis of inrganic premiliminary test
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