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Question 1: (i) With the aid of a diagram, briefly explain the natural environmental system. (ii) Explain the green house effect, and give 2 examples of green house gases
scale and farmation
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
tests for the presence of iodoform
what is the graph between magnification and image distance for a convex lens..and how can we find the focal length for the lens using the graph? Ans) The distance between the len
Vapour phase cracking - Hydrocarbon In this method, gas oil or kerosene oil is vaporized in vapour phase. The temperature is reserved 600 - 800 o C and the pressure is approxim
carbolic acid from benzene
write the chemical properties of aromatic compounds.
Synthesis of di and tri substituted benzenes
Principle of atomic emission spectrometry: The analyte sample is introduced into the centre of the plasma as an aerosol with the help of a nebuliser using argon flow. In the p
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