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The kinetic theory of gases: The gas laws were empirically developed from experimental observations. The kinetic theory of gases assumes that the molecules or atoms of a gas
in an electrophoresis experiment , spherical colloidal particles of diameter 0.5 um are disperside in a solution of 0.10mol per litter nacl , if the particles are observed to cover
Pyroligneous acid - Aldehydes and Ketones Pyroligneous acid consisting of acetic acid, acetone and methyl alcohol that is distilled in copper vessel and the vapours are passed
Q. What are the characteristics of bases? Ans. Common bases are borax, baking soda, and antacids. These are some characteristics of bases: They taste bitter
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
Bohr's radius can have: (1) Discrete values (2) +ve values (3) - ve values (4) Fractional values Ans: +ve values
What is the purpose of zone refining One refining process is based on the fact that the first solid to crystallize in a two component system is usually purer than the liquid as
Q. Illustrate the physical property of matter? A physical property of a substance is a quality that can be observed and measured without changing the composition of the subst
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
What is the structure of a DNA molecule? Ans) The DNA molecule having of two complementary strands oriented in an anti-parallel fashion. Every strand is composed of nucleotides.
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