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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.
Mention the major reason for the anomalous behaviour of lithium in Group of the periodic table. Why is the third ionization energy of manganese (At. No. =25) unexpectedly high?
What are the major poisnous gases released during burning of the plastic substances? Ans) It is high time that we start taking concrete steps in order to prevent pollution or else
westron
Preparation of 2,2,6-trimethyl-5-phenylheptan-3-one: Safety 2-Bromopropane : Irritating to eyes, respiratory system and skin. If eye contact, wash with large volumes of
#Classify each reaction and give the name of all the chemical formula..
Ask question #Minimum 25 words accepted#
what is oxidation?
According to heisenberg uncertainty principle: (1) E=mc 2 (2) Δ x × Δp ≥ h/ 4 Π (3)γ = h/ p (4) Δ x × Δ = h / 6 Π Norma
Q. Explain Pauli Exclusion Principle? When assigning electron configurations, it is essential to consider the two important principles concerning electrons in orbitals:
calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.
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