Molecular substances
what are the most important inorganic molecular substances for living beings?
Describe some examples of a reversible reaction?
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Give me answer of this question. A solution contains 25%H2O 25%C2H5OH , and 50% CH3 COOH by mass. The mole fraction of H2O would be: (a) 0.25 (b) 2.5 (c) 0.503 (d) 5.03.
how avogadros hypothesis used to deduce the atomicity of elementry gases ?
Give me answer of this question. 5cm3 of acetone is added to 100cm3 of water, the vapour pressure of water over the solution: (a) It will be equal to the vapour pressure of pure water (b) It will be less than the vapour pressure of pure water
order of decreasing basicity of urea and its substituents
define primary secondary and tertiary alkyl halides with examples
Choose the right answer from following. NaClO solution reacts with H2SO3 as,. NaClO + H2SO3→NaCl+ H2SO4. A solution of NaClO utilized in the above reaction contained 15g of NaClO per litre. The
Illustrate what is protein in Chemistry?
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