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Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
how to prepare a dicarboxylic ?
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
trailing of mercury
HYDROGEN Hydrogen is the natural element in the Universe and is a major constituent of stars. It is relatively much less common on Earth but nevertheless forms nearly 1% by mass
Test of proteins - Nitroprusside test Nitroprusside test : Proteins consisting of -SH group give this test. While sodium nitroprusside solution is added to proteins comprising
Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
what are polyfunctional compounds?expalin the nomenclature of polyfunctional organic compounds with examples
An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively: (1) 3 and 5 (2) 3 and 7 (3) 3 and 9
Q. Determine the acid insoluble ash in the sample of flour? After undertaking this activity, you will be able to: • assess the mineral content in the given sample of flour,
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