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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.
The number of electrons that can be accommodated in dz 2 orbital: (1) 10 (2) 1 (3) 4 (4) 2 Ans: 2
Which of the following is ideal for Oxidation of propene to propan-1-ol a)Alkaline KMnO 4 b)B 2 H 6 /Alkaline KMnO 4 c)O 3 /Zn dust d)CrO 3 Ans) B 2 H 6 /Alkaline KMno4 is th
Uses of Oxalic acid or Polyprotic acid (i) Oxalic acid is used in the manufacture of carbon monoxide, formic acid and allyl alcohol. (b) Oxalic acid is used as a laboratory
what is the effect on the distribution of solute if the solvents have mutual miscibility
the most probable radius for finding the electron in he+
Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar
When β -particles are sent through a tin metal foil, most of them go straight through the foil as : (1)β -particles are much heavier than electrons (2) β -particles are po
Q. Define atomic mass units? Atomic mass Scientists have set up a standard for the measurement of atomic mass by assigning the carbon-12 atom a mass of 12 atomic mass units (a
How might temperature changes in the human body have an impact on human health
advantages of pseduo order reaction??
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