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Q. Beneficiation of Ores? Most of the ores available in nature contain large amounts of impurities, i.e. gangue. Direct extraction of metals from the ores by metallurgical proc
In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
If an ideal gas is kept inside a container with movable piston, and is allowed to expand ISOTHERMALLY, then pressure exerted by the gas on the container wall decreses. Why? What h
Q. Define Elements and Compounds? Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into
list of all isotopes
why water molecule forms covalent bond even though it dissociates into ions
Q. The equilibrium cell potential of the galvanic cell is found to be E cell , eq = 1.410 V at 298.15K. The standard cell potential is E cell , eq = 1.360V. (a) Writ
HOW TO PREPARE IN EXAMS IN EASY MANNER?
Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a
who discovered fractional distillation
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