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Q. Describe about atomic number? It is significant to be able to obtain useful information from the periodic table. Beginning with the simplest element hydrogen the periodic ta
Q. Explain about Magnetic Separation ? This process is based on the difference in magnetic properties of minerals. If the ore but not the gangue is attracted by a magnetic fiel
1.why hardness Bore water less than sea water?
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
Q. How to evaluate mass number? An isotope of an element is recognized by its mass number which is the sum of the number of protons and neutrons in the atom's nucleus. Mas
give an example of tri atomic gass
3p orbitals has how many nodes
Did Nitrogen undergoes Friedel-Crafts reaction?
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
i need help finding information with the element sodium
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