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Q. Explain about Conservation of Mass?
Conservation of Mass above two centuries ago chemists established a fundamental law called the law of conservation of mass.
This law states that throughout a chemical reaction mass is neither lost nor gained. In other sense all the matter present at the start of a reaction still exists at the end of the reaction. The law of conservation of mass is able to be stated in mathematical form as follows
Mass reactants = Mass products
What are the advantages of graphite furnace AAS? tell the history of graphite furnace AAS
what is an ionic compound
Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
mechanism of Etard reaction?
INDUSTRIAL CHEMISTRY: BULK INORGANIC CHEMICALS It shows a selection of the major inorganic chemicals that are defined in annual quantities of many millions of tones. Substances
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper. [I] determine the chemical formula o
Structure of chlorine triflouride by VSEPR theory
Explain ten methods of preparation of cycloalkanes from straight and branched alkanes
need to know common methods of preparing acetone/propanone. Need to include chemical equation for reaction that produces that molecule.
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