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Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
Q. Describe Electron Configurations and Orbital Diagrams? Ans. Remember that the atomic number of an atom tells us the number of protons and electrons in the neutral atom. To a
Silver has a density of 10.5gcm -3 . The no. of silver atoms on a surface area of 10-12m 2 can be expressed in scientific notation aas y x 10x.The value of x is ..? Ans) d = m
Q. Illustrate Structure of the Water Molecule? Ans. A water molecule is composed of two hydrogen atoms and one oxygen atom covalently bonded together. The following anim
Denaturation The structure of the natural proteins is accountable for their biological activity. These structures are arranged by numerous attractive forces among different par
write the different units of hardness with their relationship
whats is surfactant and its applications in cloud point extraction ?
what are chemical properties of haloarenes?
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
Highest melting point would be of: (1) He (2) CsCl (3) NH 3 (4) CHCl 3 Ans: CsCl
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