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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.
Liquid propellants - Monopropellants and Bipropellants These contain an oxidizer like liquid oxygen, nitrogen tetroxide (N 2 O 2 ) or nitric acid and a fuel for example alcohol
Hello. Do you know the rubric of what I need to know about chemistry because I am taking Chemistry this fall and I would like to know the basics
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN
Westron_>zn+alcohol->?
Why does Ferric Chloride shows color?
ENTHALPY
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
The isomerim exhibited by the compounds having the same molucular formula but they having different functional groups is called functional group isomerism.For example C 3 H 6 O c
Conjugate-base anion of diethyl malonate The conjugate-base anion of diethyl malonate would be formed with sodium ethoxide, but it would not react with bromobenzene due to the
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