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What is chlorophyll, Q. What is chlorophyll? A magnesium complex of por...

Q. What is chlorophyll? A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential  for photosynthesis. Hemoglobin

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how to find equivalent weight of a molicule

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Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita

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Q. Compounds of Group 16 Elements? We will now discuss some compounds like the hydrides, halides and oxides of the Group 16 elements.  All elements of this group form simple

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The number of unpaired electrons in Fe 3+ (Z= 26)  are: (1) 5        (2) 6        (3) 3        (4) 4 Ans: 5

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