General Knowledge MCQ - English
The most electronegative element among the following is
sodium
bromine
fluorine
oxygen
Answer : C
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1) The metal that is used as a catalyst in the hydrogenation of oils is
2) The hydronium ion is
3) The number of d-electrons in Fe2+ (Z = 26) is not equal to that of
p-electrons in Ne(Z = 10)
s-electrons in Mg(Z = 12)
d-electrons in Fe(Z = 26)
p-electrons in CI(Z = 17)
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4) The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in
5) The first metal used by man was
