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Q. What do you mean by Rounding off numbers?
Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data you used in your computation with the fewest number of significant figures. Therefore if you calculate the density of an object with a mass of 12.33 g in addition to a volume of 19.1 cm3 your answer must have only three significant figures. Though when you divide these quantities using your calculator it will show 0.6455497-lots more figures than you can report in your answer. You must round off the number to three significant figures or 0.646.
Benzene hexa chloride reaction
Physical Properties of Maleic Acid and Fumaric Acid (i) Maleic Acid and Fumaric Acid Both are colourless crystalline solids. They both are soluble in water. (ii) The melting
has gold a chemical proporties show/
Ortho, meta and para 1. Ortho (or 1, 2-) : if the two substituents are on the adjacent carbon atoms, the compound is said to be ortho (or 1, 2-). 2. Meta (or 1, 3-) : if the
What is purity criteria.
Drying of Organic Substances- purification of organic compounds Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither
Ask question #Minimureaction with Nam 100 words accepted#
assignment on antiferromagnatism
does the nature of the anode rays depend upon the nature of the discharge tube and the nature of the electrode?
cual es la formula para el calor especifico
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