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Q. Extraction of Aluminium? Aluminium cannot be extirpated economically from the silicate minerals. Therefore bauxite is the most important ore for the extraction of alumimum,
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium, manganese etc. Explain why? Ans) Aluminium is an highly electropositive metal
Q. Analysis of water gave the following results H 2 SO 4 = 196Mg/L; MgSO 4 = 24Mg/L, CaSO 4 = 272Mg/L and NaCl = 25Mg/L. Water is to be supplied to the town of the popul
Q. Effect of substituting emulsifying agents? i) Make A starch gel with ½ T (tablespoon) of cornstarch add ½ cup of water. Cool the gel. Take 2 T of this gel and add it to th
Nitrous acid (HNO2) is an unstable compound when prepared by the following reaction: HCl (g) + NaNO2 (s) ? HNO2 (l) + NaCl (s). As the product of the above reaction is unstable, t
Determine about the Silicon Silicon has a unique ability to be oxidized into silica that produces a chemically stable, protective and insulating layer on the surface of water.
One way to create ethanol for use as a gasoline additive is the reaction of water vapor with ethylene: a. write this equation using Lewis structures. b. Is this reaction e
Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
Two reactions have identical value of Ea. Does it the mean that they have same rate constant if run at the same temperature?Illustrate.
You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
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