Methanol can be obtained from_________________?
Methanol can be obtained from_________________?
A. water gas
B. destructive distillation of wood
C. methane
D. all
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Animal charcoal adsorbs the coloured_________________?
Animal charcoal adsorbs the coloured_________________?A. impurities
B. crystals
C. solvents
D. both A & BThe ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?A. Dipole-dipole forces
B. Ion dipole-dipole forces
C. London dispersion forces
D. Debye forcesWhen CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?
When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acidThe anhydride of HCIO4 is_________________?
The anhydride of HCIO4 is_________________?A. Cl2O
B. Cl2O6
C. ClO2
D. Cl2O7The metallurgical process in which a metal is obtained in a fused state is called__________?
The metallurgical process in which a metal is obtained in a fused state is called__________?A. smelting
B. roasting
C. calcinations
D. froth floatationWhat is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?
What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?A. 6
B. 4
C. 3
D. 2