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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.
Energy of atomic orbitals in a particular shell is in the order: (1) s (2) s> p > d > f (3) p (4) f > d > s >p Ans: s
how does salt bridge works??
An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
Q. What do you mean by Nuclear Fusion? Ans. The idea of fusion is that two small unstable nuclei are smooshed together to make one larger stable nucleus. This is the type
what is the mechanism of acyl chloride reaction with alcohol and why does it react in this way ?
why pcl3 and s2cl2 are less polar then sicl4
Physical properties Alkyl Halides (i) CH 3 F,CH 3 Cl, CH 3 Br and C 2 H 5 Cl are gases at room temperature. The alkyl halides up to be colourless liquids whereas higher members
Why p-nitro toluene is higher boiling point than o-nito toluene ? Ans) The term hydrogen bonding is used to define dipole-dipole attractive forces of this type. The proton invol
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Digestion of food Digestion is the procedure through which complex constituents of food are broken down into simple molecules by a number of enzymes in mouth, stomach, and smal
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