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explain why Ni(co)4 is known while Ca(co)4 is not known
The covalent bond produced by the unequal sharing of electrons among the two atoms is known as polar covalent bond.
why they are called noble gases
An ionic compound is generally a : (1) Good electrolyte (2)Weak electrolyte (3) Non-electrolyte (4) Neutral Ans: Good electrolyte
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
How sodium carbonate can increase surface area of a catalyst
1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a
Q. What is an Emulsifier? An emulsifier is a compound that contains both polar and nonpolar groups and thus is drawn to the interface between the two phases of an emulsion to
net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium hydroxide
In neutral atom, which particles are equivalent: (1) P + e + (2 ) e - e + (3) e -, P + (
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