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Q. Use of Halides of Boron? Boron trihalides of the type BX3 exist for all the four halogens. Boron trifluoride can be prepared on a large scale by the fluorination of boric ox
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
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
can any one explain current galvanostatic coulometry ?
Beginning in the early nineteenth century, scientists developed models to explain the structure of the atom. As more information was discovered about the nature of the subatomic pa
Uses of Formic acid - Carboxylic acids (a) Formic acid is used in the laboratory for preparation of carbon monoxide. (b) Formic acid is used in the preservation of fruits.
Q. Define Oxidation state of an atom? Oxidation State: Oxidation state of an atom is defined as an apparent or formal charge on that particular atom in a molecule. In majorit
What are hormones? State the function of the following hormones: (a) Testosterone (b) Oxytocin
How is chemical reaction reversible and irreversible?
has gold a chemical proporties show/
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