General Knowledge MCQ - English
The Latin word formica means ant. The name formic acid is derived from th
Home | Discussion ForumThe Latin word formica means ant. The name formic acid is derived from this Latin word because
this acid, in ancient times, was used to eliminate ant-hills
this corrosive acid is secreted by ants to drive away their enemies
this acid was first obtained by the distillation of ants
ants are attracted by the odour of this acid
Answer : C
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1) 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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2) The inexpensive and commonly used variety of glass is called soda glass. It is called so because
was used initially for making bottles of soda(carbonated drink)
is made using soda(sodium carbonate)
was initially used for storing sodium carbonate
is made using soda lime
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3) The monomer of polythene is
4) The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?
5) The number of waves in n x 10th Bohr's orbit are
