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Q. Show Sulphide Minerals?
In these minerals metals are present as their sulphides. For example, iron pyrites (FeS2), calcocite (CU2S), chalcopyrite (CuFeS2), zinc blende (ZnS), argentite (Ag2S), cinnabar (HgS), galena (PbS), mille rite (NiS), etc.
Explain the Winnowing and Primary processing of wheat Winnowing: In this process, the impurities are separated on the principle that their density differs from that of the
who discovered fractional distillation
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Q. Illustrate Saturated and Unsaturated Hydrocarbons? Ans. The term hydrocarbon is similar to the term organic. The term hydrocarbon emphasizes the fact that these compou
Why the rate of ketone halogenation is independent Because the rate of ketone halogenation is independent of the halogen concentration, the rates of halogenation of the same ke
The reluctances of ns electrons in the participation of bond formation is known as inert pair effect
Westron_>zn+alcohol->?
Description
about occurence,properties of the following metal copper.gold,mercury
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