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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
A piston device haves 0.8 kg of an ideal gas initially at 200 kPa and 30oC. The gas is then compressed slowly in a polytropic process during which PV1.3 = constant until the volume
Explain rules of pericyclic The pericyclic selection rules say absolutely nothing about the position of equilibrium in every case. These rules refer to rates of reactions, not
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
What is the nature of chemical bonding between Cs and F: (1) Covalent (2) Ionic (3) Coordinate (4) Metallic Ans: Ionic
The electron pair which forms a bond between two similar non-metallic atoms will be: (1) Dissimilar shared between the two (2) By complete transfer from one atom to other
Solubility in liquid ammonia short notes
excited state for sodium
2. Oxalic acid is a diprotic acid with the following deprotonation equilibria. A. You have 150 ml of a solution of pure oxalic acid with an unknown concentration.
What are electrons
the nitride ion in lithium nitride is composed of 7 protons + 10 electrons. how?
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