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Q. What is Calcinations process?
This is fie method of heating the concentrated ore in a limited supply of air to a high temperature but under the fusion temperature. In calcinations, volatile constituents of an ore are expelled. Hydrated and Hydroxide ores lose their water forming metal oxides. In case of carbonate ores, carbon dioxide is lost and metal oxides are made.
all alkalis are bases but all bases are not alkalies?
When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
K3[Al(c2o4)3]
Difference between Natural rubber and Vulcanized Rubber Natural rubber Vulcanized rubber (1) it is soft and sticky Vulcanized
What are liquid crystals? Give examples. Liquid crystals are an intermediate state among liquid state and solid state. They exhibit some characteristic properties of both soli
From the point of view of "green chemistry" - why should reactions be carried out in CO 2 instead of using carbon monoxide or phosgene (2 reasons)? Apart from the compression of c
Procedures for determination and monitoring of shelf life Direct shelf life determination requires batches of samples to be taken at significant stages in the development or m
hydrogen behave as a metal at low pressure only why
Formation of aniline from chlorobenzene
Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.
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