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Explain about the Impact extrusion
Blank is placed over the die and pressed by punch. Metal is squirted upward round the punch. Thickness of the part is fixed by the gap between punch and die. This is a cold working process and is mainly used for non-ferrous metals such as zinc, lead, tin and aluminium alloy for the manufacture of collapsible tubes for shaving cream, tooth pastes etc.
How does it help in stabilising a structure Ans) More alpha hydrogens more hyper conjugations More hyper conjugation more is the stability Less inductive effect more hyper
Why phenol does not react with sodium carbonate & sodium bicarbonate? Reason: This is because Phenol is less acidic than H 2 CO 3 and hence the reaction doesnt takes place.
Explain construction & working of calomel electrode.
Chloroform
The two chair conformations of cis-1,3-dimethylcyclohexane
What is periodic property
Q. Explain important properties of energy? Properties of Energy There are two important laws that explain the important properties of energy: Conservation of Energy (
importance Of absorption and émission
What is hydrometallurgy
does SnCl4 = Tin Chloride
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