A. 10,000
B. 100
C. 10
D. 1000
Punjab Public Service Commission Assistant Sub Inspector (BS-9) 2011
The laughing gas is called?
A. Nitrous Oxide
B. Calcium Oxide
C. Chlomium Oxide
D. None
1 byte consists of:
A. 8 bits
B. 16 bits
C. 32 bits
D. 4 bits
The element which is most abundant in the Earth’s crust is:
A. Silicon
B. Iron
C. Aluminium
D. Oxygen
What poisonous gas is contained in the exhaust fumes from cars?
A. Ammonia
B. Coal gas
C. Carbon monoxide
D. Sulphur dioxide
The gas commonly used in balloons is:
A. Hydrogen
B. Helium
C. Oxygen
D. Carbon dioxide
The system international (S.I.) unit of temperature is:
A. Fahrenheit
B. Kelvin
C. Calculus
D. Centigrade
The next Winter Olympic games took place in 2018 at:
A. Pyeongchang
B. Venobuver
C. Torino
D. Salt Lake City, Utah
The first Western scientist to suggest that Earth revolved around the Sun was:
A. Kepler
B. Newton
C. Copernicus
D. Galileo
An ordinary mobile phone communicates by using:
A. Sound waves
B. Infrared waves
C. Radio waves
D. UV waves