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A metal X can be cut with a knife. When placed in water, metal X floats and melts. What is X? The options are calcium, copper, magnesium and potassium.I think...
Asked on 11/18/2020 by abc
2 answerWhy is it that the axial bond length is less than equatorial bond length in $ce{PF2Cl3}$ and $ce{SF2Cl2}$ even though both have trigonal bi-pyramidal geometry? I know that in general...
Asked on 10/31/2020 by Sourav Suman
1 answerI have read about "electroflocculation" that uses less flocculant/alum, but is there a method – no matter how expensive or impractical – that uses no flocculant at all?...
Asked on 10/26/2020 by VOKBY
2 answerFor most amino acids, the $mathrm{pI}$ is simply the arithmetic mean of the amino and carboxyl $mathrm pK_mathrm a$s. However, for tyrosine and cysteine, which have more than...
Asked on 10/16/2020 by Andrew Wolf
1 answerWhat would be the probable reaction between acetone, $ce{(CH3)2CO}$, and isopropyl alcohol, $ce{CH3CHOHCH3}$, at room temperature without any catalyst in different concentrations? ...
Asked on 10/01/2020 by Khaliddhali
3 answerI understand that a Grignard reagent can act both as a base and a nucleophile.It acts as a base in the presence of a proton source (eg: alcohols, amine,...
Asked on 09/24/2020 by Abhishek Mhatre
2 answerWhat will be the wavelength of an X-ray, if we apply a potential difference of, say $pu{20 kV}$ across the ends of the X-ray tube? Alright, I started with...
Asked on 09/22/2020 by user2619
2 answerSo I know that a pure sample of hydrogen peroxide would definitely bleach litmus paper and turn it white. But somewhere I had read that hydrogen peroxide when in an...
Asked on 09/21/2020 by Psix
0 answerI have read that Tollens' test is given by aldehydes. The aldehyde is oxidised to a carboxylate ion and silver is deposited. My teacher had given me notes which pointed...
Asked on 08/09/2020 by Aurav S Tomar
1 answerDoes anyone have an example of a protocol for preparing very small volumes (about 1 mL) of highly reliable analytical standards in organic solvents such as ACN, MeOH, and DCM...
Asked on 07/27/2020 by M. Farooq
0 answerGet help from others!
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