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i wanted the glycol properties and its chemical reactions n preparation
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
Q. Describe about tetrahalides? S, Se, Te and Po form tetrahalides with all the halogens. However, tetrafluoride of polonium, tetrabromide of sulphur and tetraiodides of sulphu
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
Physical properties of Formic Acid (a) Formic Acid is a pungent smelling and colourless liquid. (b) Formic Acid melts at 8.4° C and boils at 100.5° C . (c) Formic Acid i
the name of the group of metals that easily loses electrons
Explain and Define standard feat of formation Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in the
westron
give three examples with good details
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