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whats a reversible cell
what is the class of HS
Q. What are the Physical Properties of Nitric Acid? Ans. Nitric acid (HNO 3 ) may be prepared by heating sodium nitrate with sulfuric acid: NaNO 3 + H 2 SO 4 --> HNO
Problem 1: What do you meant by Gas Chromatography? Show the quantitative applications of gas chromatography. Definition of Gas Chromatography Briefly explain about Q
General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
The number of electrons which can be accommodated in an orbital is: (1) One (2) Two (3) Three (4) Four Ans: Two
why mercury been liquid?
Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
cataylast
How does crystallography help in study of crystal structure
Pollution is the defined of contaminants into the natural environment which is caused adverse change. Pollution can be formed of chemical substances or say energy, such as noise, light or heat. Pollutants, the main components of pollution, may be either foreign substances/energies or of course occurring contaminants. Pollution is a lot classed as point source or nonpoint source pollution.
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