Everyday Science MCQs

5120 MCQs  (Page 467 of 512)

Which mirror is used in headlight of cars?
A. Concave mirror
B. Convex mirror
C. Both
D. None of these
Which of the following gas is used for cooling in refrigerators?
A. Tetrafluoroethene
B. Carbon dioxide
C. Methane
D. Nitrogen
The luminous body emits ?
A. Light
B. Energy
C. Waves
D. None of these
The escape of water molecules from surface is called?
A. Sublimation
B. Evaporation
C. Condensation
D. None of these
Cooking gas is also called?
A. Butane
B. Hexane
C. Propane
D. None of these
Loud speaker voice is increase due to ___
A. High energy
B. High frequency
C. Spectrum technology
D. None of these
Kidney stones is caused due to?
A. Sulfur dioxide
B. Calcium oxalate
C. Aluminum oxide
D. None of these
Which resources are non-renewable
A. Geo thermal
B. Fossil fuels
C. Solar
D. None of these
Chemical formula of washing soda is___ ?
A. Na2so4
B. Nahco3
C. Na2so4.10h2o
D. None of these