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why a small amount of an acid is added while preparing solution of potassium dichromate?
The density of gold is 19.30g/ml how much volume of gold will have a mass of 34.5kg ion..
The electronic configuration of a metal M is 1s 2 , 2s 2 , 2p 6 , 3s 1 , The formula of its oxides will be: (1) MO (2) M
Ask question #Minimum 100 wowhat are isobarsrds accepted#
(a) How is aniline obtained from benzene? (b) Why are the secondary amines more basic than primary amines? Describe. (c) Write the complete chemical reactions for the convers
The magnetic quantum number of valence electron of sodium (Na) is: (1) 3 (2) 2 (3) 1 (4) 0 Ans: 0
the reaction of kmno4 nd c2o4 .why does it produce brown colour first
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
Are there any disadvatages of mass spectrometry
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