Which one of the following has the maximum number of isotopes ?
Which one of the following has the maximum number of isotopes ?
A. oxygen
B. carbon
C. tin
D. chlorine
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Absolute 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. CaOThe O-O linkage is present in__________?
The O-O linkage is present in__________?A. H2S2O3
B.H2SO8
C. H2S4O6
D. H2 S2 O6Which 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. FeCl3Soda lime is a mixture of____________________?
Soda lime is a mixture of____________________?A. CaO and KOH
B. CaO and NaOH
C. NaOH and Na2O
D. Na2O and KOHIn electrolytic cell electricity carries________________?
In electrolytic cell electricity carries________________?A. spontaneous reaction
B. non-wpontaneous reaction
C. neutralization
D. all of aboveWhen 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?
When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?A. 0.5
B. 1
C. 1.5
D. 2