The composition of ‘ Golden spangles is_________?
The composition of ‘ Golden spangles is_________?
A. PbCrO4
B. PbI2
C. As2Cr2O7
D. BaCrO4
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The rate of E1 reaction depends upon______________________?A. the concentration of substrate
B. the concentration of nucleophile
C. the concentration of substrate as well as nucleophile
D. base the concentration of substrate as well as nucleophileAmphoteric exides are those which possess ____________ properties?
Amphoteric exides are those which possess ____________ properties?A. Acidic
B. Basic
C. Acidic and basic
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The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?A. Molar heat of sublimation
B. Molar heat of fusion
C. Molar heat of vapourization
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Measurement of the degree of polarity is___________________?A. Electron affinity
B. Ionic character
C. Ionization energy
D. Dipole momentThe stationary and mobile phases in paper chromatography are____________?
The stationary and mobile phases in paper chromatography are____________?A. Liquid/liquid
B. Solid/liquid
C. Liquid/solid
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B. BOD
C. COD
D. all of the above