DNA Organic
Explain DNA organic in brief?
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- Of, referring to, or derived from the living organisms: organic matter. - Of, referring to, or affecting a bodily organ: an organic disease. And, DNA could chemically be considered organic as it covers carbon as the primary chemical backbone of a molecule.
The diazonium salts are represented by the general formula ArN2 +X where X- ion may be anion such as (Cl) ¨, B ¨r, HSO
Superphosphate has the formulae: CaH4 (PO4)2H2). Calculate the percentage of phosphorus in this chemical. Show your calculations (around ten lines); also Work out how to make up a nutrient mixtur
Which is not a colligative property: (a) Refractive index (b) Lowering of vapour pressure (c) Depression of freezing point (d) Elevation of boiling point
What do you mean by the term Organic Chemistry? Briefly define the term?
Determination of correct mol. Mass from Roult's law is applicable to :
Provide solution of this question. Molarity of a solution prepared by dissolving 75.5 g of pure KOH in 540 ml solution is: (a) 3.05 M (b) 1.35 M (c) 2.50 M (d) 4.50 M
Illustrate is HCl an acid or a base ?
Choose the right answer from following. Vapour pressure of a solution is: (a) Directly proportional to the mole fraction of the solvent (b) Inversely proportional to the mole fraction of the solute (c) Inversely proportional to the mole fraction of the solvent (d
Detail the moles of HCl which are present in .70 L of a .33 M HCl solution?
Choose the right answer from following. If two substances A and B have P0A P0B= 1:2 and have mole fraction in solution 1 : 2 then mole fraction of A in vapours: (a) 0.33 (b) 0.25 (c) 0.52 (d) 0.2
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