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Q. a. What is the origin of fossil fuels? b. List three fossil fuels. c. Are fossil fuels a renewable resource? Answer: a. Coal, natural gas and oil. b. Fossil fue
(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B
equivalent weight of h3po2
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
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
Use of the Grignard solution to prepare 2,2,6-trimethyl-5-phenylheptan-3-one: Prepare a solution of your enone (5.64 g; 0.030 moles) in dry ether (30 mL) and add it to the dro
The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m 2 / s): (1) 1.05 x 10- 28 m
For liquids - Drying of Organic Substances Organic liquids are usually dried by keeping them over night in contact along with a dehydrating (desiccating) agent that does not re
reason behind the diganol relationship of lithium and magnishim
The hydration rate of the deuterium-substituted styrene should vary very little, if at all, from that of styrene itself, because the deuteriums are not transferred in the rate-limi
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