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the reaction of ammonium chloride with sulphuric acid
Maximum electrons in a d -orbital are: (1) 2 (2) 10 (3) 6 (4) 14 Ans: 10
Laminated glass: Sheets of glass fibre fabric or glass wool are soaked in a solution of a thermosetting plastic and placed one above other, the thickness varies with number of she
Preparation and uses of western
Tert-butylamine Tert-butylamine cannot be prepared by the Gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated with tert-butyl bromide in an
preperations
copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper. [I] determine the chemical formula o
In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
The tendency to form electrovalent bond is largest in (1) A (2) B (3) C (4) D
what element is not grouped with others in a family? what is its usual atomic structure?
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