(1) The best non- metallic conductor of electricity?
a)
Silicon
b)
Germanium
c)
Graphite
d)
Boron
(2) Water
has maximum density at ……..degree Celsius
a)
0
b)
4
c)
25
d)
100
(3) The
isotope using for radio carbon dating is
a)
Carbon-14
b)
Cobalt-60
c)
Uranium-238
d)
None
(4) The gas
using for fill balloons.
a)
Nitrogen
b)
Oxygen
c)
Helium
d)
Argon
(5) Which is
known as metal of future?
a)
Uranium
b)
Platinum
c)
Tantallum
d)
Titanium
(6) Beryllium
aluminium silicate is known as
a)
Alum
b)
Topaz
c)
Ruby
d)
Emerald
(7) The
first Trans Uranic element
a)
Plutonium
b)
Neptunium
c)
Einsteinium
d)
Fermium
(8) The most
abundant inert gas :
a)
Radon
b)
Xenon
c)
Krypton
d)
Argon
(9) The
element with highest density?
a)
Mercury
b)
Osmium
c)
Tungsten
d)
Iridium
(10) The
element with atomic number 100
a)
Nobelium
b)
Bohrium
c)
Fermium
d)
Mendelevium
Social Plugin