Which one of the following aqueous solutions will be basic ?
Which one of the following aqueous solutions will be basic ?
A. NaCI
B. Na2SO4
C. Na2CO3
D. FeCl3
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The boiling point increases down the zero group element due to_________________?
The boiling point increases down the zero group element due to_________________?A. Ion dipole forces
B. London forces
C. Hydrogen bonding
D. Dipole dipole forcesGeneral formula of alkyne is______________?
General formula of alkyne is______________?A. CnH2n + 2
B. CnH2n – 2
C. CnH2n
D. CnH2n + 295% ethanol is called_________________?
95% ethanol is called_________________?A. methylated spirit
B. wood spirit
C. rectified spirit
D. absolute alcoholAbsolute alcohol is obtained when rectified spirit is treated with__________________?
Absolute alcohol is obtained when rectified spirit is treated with__________________?A. Ca(OH)2
B. CaCO3
C. CaCl2
D. CaOWhat is the molecular formula of Benzenetriozonide ?
What is the molecular formula of Benzenetriozonide ?A. C6H6O9
B. C6H5O8
C. C6H5O9
D. C6H6O6The reduction potential Zn is_________________?
The reduction potential Zn is_________________?A. 0.76
B. -0.76
C. -0.55
D. 0.55