Which type of Uranium is used in the fission process?
(a) Uranium–234
(b) Uranium–235
(c) Uranium–236
(d) Uranium–237
The large plates of solar panels are painted:
(a) Red
(b) White
(c) Yellow
(d) Black
Deficiency of chloride causes the impaired growth in:
(a) Animals
(b) Infants
(c) Plants
(d) Young men
The major part of natural gas, petroleum and coal consists of:
(a) Carbon dioxide
(b) Chlorine
(c) CFC
(d) Methane
Biogas is the common name of:
(a) Natural gas
(b) Oxygen
(c) Carbon dioxide
(d) Nitrogen
One thousand watt power is equal to:
(a) 0.5 kilowatt
(b) 0.8 kilowatt
(c) 1.0 kilowatt
(d) 1.5 kilowatt
Washing soda in water behaves:
(a) Alkaline
(b) Acidic
(c) Neutral
(d) None of these
Which of the following is a gas?
(a) Thorium
(b) Plutonium
(c) Mercury
(d) Chlorine
The carrier waves used for the radio transmission have frequency up to:
(a) 115 KHz
(b) 30 KHz
(c) 190 KHz
(d) 170 KHz
Optical fibres are the fine strands of:
(a) Glass
(b) Iron
(c) Calcium
(d) Mercury