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Q. What is compound? A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they a
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
Explain Toluene Toluene has added stability associated with aromaticity; compound A, although conjugated, is not aromatic. Because any equilibrium favours the more stable comp
Pick out the isoelectronic structures from the following : CH + 3 , H 3 O + NH 3 CH - 3 I
LANTHANUM AND THE LANTHANIDES The lanthanides are 14 components following lanthanum in the periodic table, and associated with the filling of the seven orbitals of the
Q. What is paired comparison test? In paired comparison test, the assessor is presented with two products and asked to indicate whether there is a preference between them.
equation of hess''s law
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
Demonstrate the effect of foaming in preparation of cold and hot souffles? After undertaking this activity, you will be able to: • learn how to prepare hot and cold souffle,
What is mole?
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