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What parts of molecular forces are expected to exist between the species in any three of the following pairs constituting mixtures? (a) He and N2 (b) Cl2 and NO- 3 (c) NH
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
Mutation: A mutation is a physical or chemical change which changes the sequence of bases in DNA molecule. Anything which causes mutation is known as mutagen. A mutation conseq
For sodium atom the number of electrons with m=0 will be: (1) 2 (2) 27 (3) 9 (4) 8 Ans: 7
Imp reactions of p block
Q. How do you determine the oxidizing or reducing agent? Ans. A substance that oxidizes another substance is called an oxidizing agent. One that reduces another substance
density of gas is 2.86 ltr.the gas may be-
please tell the observation & inference, when ammonium phosphate (NH4)3PO4 undergoes charcoal cavity test & cobalt nitrate test.....
Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole
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