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Name the Which is a covalently bonded crystal?
germanium
explain the chemical change that take place in the conversion primary alcohols into secondary alcohols
hot lime soda process
what is the principle of EDTA titration?
Condensation reaction of carbonyl compounds Nucleophilic addition reaction of compounds comprising carbonyl group along with those compounds that have at least one acidic hydro
1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+ in ground state (2) Ne in excited state (3) Mg + in excited state (4) None of these Ans: Mg + in
Polarization in a dielectric on application of electric field is Displacement/separation of opposite charge centres.
Number of unpaired electrons in Mn 4+ is: (1) 3 (2) 5 (3) 6 (4) 4 Ans: 3
Energy of electron of hydrogen atom in second Bohr orbit is: (1)-5.44x10 -19 j (2)- 5.44x10 -19 kj (3)-5.44x10 -19 cal
Q. How to prepare ammonia in industrial level? Ans. Production of Ammonia Ammonia, NH 3 , can be prepared by adding a strong alkali metal (such as sodium) to an ammon
how to find equivalent weight of a molicule
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