Oxidation state +1 for phosphorous is found in___________?
Oxidation state +1 for phosphorous is found in___________?
A. H3PO3
B. H3PO4
C. H3PO2
D. H2P2O7
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The solvent or mixture of solvents used for separation of compounds is called____________________?
The solvent or mixture of solvents used for separation of compounds is called____________________?A. Stationary phase
B. Mobile phase
C. Dynamic phase
D. Static phaseIn modern periodic table all the leements are arranged in ascending order of__________________?
In modern periodic table all the leements are arranged in ascending order of__________________?A. Valency
B. Atomic mass
C. Atomic number
D. Valence electronsCarboxylic acid on reduction with HI / phosphorous yields_________________?
Carboxylic acid on reduction with HI / phosphorous yields_________________?A. alkane
B. alcohols
C. aldehydes
D. ketonesAmong the halogens the rare element is________________?
Among the halogens the rare element is________________?A. Fluorine
B. Chlorine
C. Astatine
D. IodineGooch Crucibles are made up of________________?
Gooch Crucibles are made up of________________?A. plastic
B. fibre
C. porcelain
D. steelEthanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?
Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2