Tuesday 13 August 2013

General Science-18

                  1.       From which mineral is radium extracted:
a.       Magnetite
b.      Hematite
c.       Pitchblende
d.      Rutile

                  2.       What is laughing gas?
a.       Carbon monoxide
b.      Nitrogen Monoxide
c.       Nitrogen Dioxide
d.      Nitrous Oxide

                  3.       Chemically the term Dry Ice is:
a.       Solid Water
b.      Solid Nitrogen
c.       Solid Carbon dioxide
d.      Solid Sodium

                  4.       The chemical that is found in the largest quantity in the sun?
a.       Hydrogen
b.      Carbon
c.       Sodium
d.      Uranium

                  5.       The year in which the Kyoto protocol was adopted?
a.       2000
b.      2002
c.       2005
d.      2007

                  6.       The energy of food is measured in:
a.       Kelvin
b.      Calorie
c.       Bushel
d.      None of these

                  7.       Decibel is the unit of:
a.       Sound
b.      Light
c.       Heat
d.      Electricity

                  8.       Richter scale is used for measuring:
a.       Density of liquid
b.      Intensity of earthquakes
c.       Velocity of wind
d.      Humidity of air

                  9.       Which instrument is used to measure the electric current?
a.       Ammeter
b.      Voltmeter
c.       Galvanometer
d.      Electrometer

                 10.   The unit of current is:
a.       Ohm
b.      Watt
c.       Ampere

d.      None of these