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Explain the process of Grading and Sieving
Grading: Grading consists of separating the sound kernels from chaff and impurities,and may be achieved by sieving or winnowing. Sieving: Impurities are separated on the basis of their differences in size from the kernels. Hand sieves are usually used singly. The simpler machines will have two sieves: one with oversized holes (which retain large impurities and let the grain kernel pass through) and the other one with undersized holes (which retain the kernels but allow smaller impurities to pass through).
metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.
what is the difference between the allotrope and polymorphs
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Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
Which of the following explains the sequence of filling the electrons in different shells: (1) Hund's rule (2) Octet rule (3) Aufbau principle (4) All of these Ans
how to determine the strength ofpotassium dichromate withFAS and N-phenyl anthranilic acid as an internal indicator
Physical methods for Non-volatile substances The non-volatile organic compound's molecular mass can be ascertained by noting either the elevation in boiling point of the solve
name the acid present in ant sting and give its chemical formula also give common method to get relief from the discomfort caused by ant sting
Show by means of equations and reagents, how the following conversion would be achieved? Propyne to butanoic acid
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