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list down example of spectroscopic methods based on interaction of matter electromagnetic radiation?
state the adverse effect of common air pollution on buildings and health
Q. What do you eman by Scientific Research? Pure research is prepared to gain knowledge for the sake of knowledge itself. Molina as well as Rowland's research on the behavior
Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains : (1)11 protons, 23 neutrons, 11 electrons (2)11 protons,
Properties of Styrene Styrene is a colourless liquid, boiling point 145°C. On keeping, it slowly changes into a solid polymer known as meta styrene. The polymerisation is fast
what is the chemical raction of a titration using sodium hydroxide and phenophthalein?
Law of equivalence - Volumetric analysis The Law of equivalence is applied in all volumetric estimations. As per to it, the chemical substances react in the ratio of their
Functional groups - IUPAC System of Naming Organic Compounds If a compound involves much more than one functional group, as compared to one of the functional group is considere
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