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Ask question #MinimName two compound that are covalent when taken pure but produce ions when dissolved in water. um00 words accepted#
Q. Explain Distillation in purification of metals? Metals with low boiling points, such as cadmium, zinc and mercury will be purified by distillation. The distillation is gener
A gas is a fluid. It has no resistance to change of shape and will expand indefinitely to fill any container in which is held. The molecules or atoms which make up a gas interact o
What is Dielectric loss These losses occur because of electrons hopping from one lattice site to another in transition metal oxides.
What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
Raising heavy weights by water pressure Get a rubber hot-water bottle. Put a one- hole stopper carrying a short glass tube tightly in the neck. Punch a hole in the bottom of a
The pH scale: The equation: p Kw =14.00=pH+pOH is obtained by taking the negative logarithm to the base 10 of the autoprotolysis equation, where In general pX denotes -
the uses,preparation,and the reaction
#question.all questions under lanthanides and actinides.
How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?
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