CNG stands for?
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas
Which from the following is NOT a conductor?
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors
A camera uses a _____ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these
Which from the following is true for “Sound”?
A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids
The most abundant element in the universe is:
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The most abundant element in the Earth’s crust:
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Each day human body breathe in ___ litres of air.
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
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