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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.
The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2) Transferred fully from one atom to another (3) With iden
Alkali metals belong to S-block ? why?
Calculate velocity of electron in bohr first orbit of hydrogen atom
Describe Hall Effect? Briefly discuss physical origin and uses of Hall Effect? Ans: If a conducting bar is placed in a magnetic field B ⊥ to its axis and if a current flow
how to lean it and understand it
Q. What do you mean by Isotopes? Isotopes and mass number although all atoms of an element have the same number of protons most elements have atoms with different numbers of ne
#question.types of hydrocarbon found on oil contaminited site.
how is paracetamol prepared
Chemical reactions of glycerol.
3-methylhexane impact name
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