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When an electron drops from a higher energy level to a low energy level, then: (1) Atomic number decreases (2) Energy is absorbed (3) Atomic number increases (4) Energ
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
The structure of spiropentadiene The structure of spiropentadiene is shown below; it undergoes a Diels-Alder reaction with two molar equivalents of 1,3-cyclopentadiene. Spirope
Q. Show Egg foams application in food preparation? Foams need to be stable if they are to have a role in food preparation. Stability is enhanced if the surface tension is low,
instrumentation and applications of radiometric titration
Limitations of flame photometry: The limitations of the techniques involve the following. The low temperature of the natural gas and air flame limits a method to simply
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
General principles for naming organic compounds In the general system, all the isomeric alkanes (having similar molecular formula) have the the same parent name. The names of
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
Q. Detect the presence of synthetic food colours in the given samples? Objectives After conducting this activity, you will be able to: • describe the kind of natural
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