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why is filtration in soil and water a slow process and explain the colour change in the filtrate
Q. Composition of the nucleus Since the time of Rutherford, other scientists have learned a significant amount about the fundamental properties about the nucleus of an atom. In
A crucial step in the Robinson annelation is the elimation of an aldol adduct to form an enone. The elimination of an aldol product can occur in base (it occurs even more readily i
Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
the dug known as LSD has the formula C20H25N3O.one suspected sample contained 74.7%C,7.95%H,9.99%N.calculate the theoretical percentages to four significant figures
Describe the phases present in the equilibrium system? Suppose the system contains 36.0 g (2.00mol) H 2 O and 58.4 g (1.00mol) NaCl at 25°C and 1 bar. Table: Aqueous solub
Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
Uses of methane - Alkanes (1) In the development of compounds such as formaldehyde, methyl chloride, methyl alcohol, chloroform, carbon tetrachloride, etc. (2) In the prepar
density of gas is 2.86 ltr.the gas maz be-
Q. What are the uses of Tellurium? Tellurium is used primarily as an additive to steel to increase its ductility. It is also used as an additive to some catalysts, used in cra
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