Everyday Science
Everyday Science MCQs with Answers and Explanations
700+ everyday science MCQs with answers and detailed explanations for PPSC, FPSC, NTS & CSS. Repeated past-paper questions with the reasoning explained. Take a scored quiz instead →
The escape velocity from the surface of the Earth is approximately equal to:
A11.2 km/s
B15.0 km/s
C9.8 km/s
D7.9 km/s
In a nuclear power reactor, which material is commonly used as a moderator to slow down fast neutrons?
ALiquid Lead
BUranium Hexafluoride
CHeavy Water (D2O) or Graphite
DSodium Chloride
Which type of lens is used to correct Hypermetropia (farsightedness)?
APlano-concave Lens
BConvex Lens (Converging Lens)
CConcave Lens (Diverging Lens)
DCylindrical Lens
What is the speed of light in a vacuum approximately equal to?
A3 × 10^10 meters per second
B3 × 10^8 meters per second
C3 × 10^6 meters per second
D3 × 10^5 meters per second
Which property of metals allows them to be drawn into thin wires?
AConductivity
BMalleability
CSonority
DDuctility
Which device is used to measure extremely high temperatures, such as those inside a furnace?
AChronometer
BGalvanometer
CPyrometer
DCalorimeter
Which property of metals allows them to be beaten or rolled into thin sheets?
ADuctility
BTenacity
CViscosity
DMalleability
What is the chemical name of common table salt?
ACalcium Carbonate
BSodium Carbonate
CSodium Bicarbonate
DSodium Chloride
Dry Ice is the solid form of which chemical compound?
ACarbon Dioxide (CO2)
BMethane (CH4)
CWater (H2O)
DNitrogen (N2)
What is the common chemical name for washing soda?
ACalcium Hydroxide
BSodium Carbonate Decahydrate
CSodium Bicarbonate
DCalcium Sulphate