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Q. How reliable are measurements? When scientists glance at measurements they want to know how accurate as well as how precise the measurements are. Accuracy demotes to how c
Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
which is more acidic among o-methoxy benzoic acid and m-methoxy benzoic acid Ans) O-methoxy benzoic acid is more acidic than m-metoxy benzoic acid.
Physical Properties of benzene (a) First property of Benzene is that it is a colourless, mobile and volatile liquid. Its boiling point is 80°C and freezing point is 5.5°C. It c
Co-ordination covalent bond is produced by the mutual sharing of pair of electrons among two atoms contributed by only one of the combining atoms.
Is AlCl 3 polar.........? If not then why does it react with H 2 O? Also is NaCl non polar?How to decide whether a given compound is polar or not?? solution) If a bond is between
Post-harvest handling of fresh produce Fruits and vegetables because of their high moisture content are extremely susceptible to deteriorate, especially under tropical c
given that ksp of MG(OH)2 is 0.000000000089,calculate the solubility of Mg(OH)2 in a solution buffered at pH=9
Ionic Radii The experimentally calculated anion-cation distances in highly ionic solids have to be interpreted on the assumption that each and every ion has a nearly fixed
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