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how many mole ratios can be obtained from the following equation? Na2S+Cd(NO3)2-2NaNo3+CdS
Isoelectronic species are: (1) K + Cl - (2) Na + Cl - (3) Na Ar (4) Na + Ar Ans: K + Cl -
Vat dyes: These dyes are insoluble in water and cannot be helpful directly. These dyes on decline along with sodium hydrosulphite (NaHSO 3 ) in a vat make a soluble compound th
variation of cnductivigy with temperature
The four quantum numbers of the valence electron of potassium are : (1) 4, 1, 0 and 1/2 (2) 4, 0, 1 and 1/2 (3) 4, 0, 0 and +1/2 (4) 4, 1, 1 and 1/
Characteristic flame colour: specific metals and their salts impart particular colours to Bunsen burner flame. (1) Pb (plumbum) impart pale greenish colour to the f
Draw the line-bond structure of the nucleotide 2'-deoxyadenosine 5'-monophosphate (damp, disodium salt) and of the bases cytosine, guanine, and thymine. Indicate the correct hy
In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0. Into this system, there are three of pK A s as: 12.7, 7.21 and 2.12.
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
4-methyl 2- hexyne
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