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0.205g of a metal on treatment with dilute acid gave 106.6ml of hydrogen collected over water at 755mm pressure and 17 degree Celsius. calculate the equivalent mass of the metal. (
the nitride ion in lithium nitride is composed of 7 protons + 10 electrons. how?
Applications of flame photometry: A few common applications of flame photometry are given below. Flame photometry could be used to detect the presence of the elements o
chemicals in food
Q. Show Occurrence Extraction of group 16? Oxygen is the most abundant of all elements on earth. Dry air contains 20.946% oxygen by volume in the free form. Oxygen forms about
Which of the following has the maximum number of unpaired electrons: (1) Mg 2+ (2) Ti 3+ (3) V 3+ (
rules for naming organic compunds
why HF can''t be kept in glass bottle
Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
Estimation of hardness of water sample by EDTA
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