A. chemicals of soap change
B. it increases surface tension of the solution.
C. it absorbs dirt
D. it lowers the surface tension of the solution
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A. at which a person escapes an accident
B. that is lost on account of the use of belting
C. that a space satellite must attain to escape from the earth’s gravitational field
D. which a motor cyclist must attain to escape air resistance
A. stoppage of blood supply to tissues
B. getting suddenly frightened
C. insufficient supply of blood to the brain
D. obstruction in critical veins
A. cardiogram
B. cardiograph
C. cardiometer
D. altimeter
A. John Napier
B. Alfred Nobel
C. Volta
D. Jean Picard
A. bad material used
B. liquid being very hot
C. poor workmanship
D. uneven expansion
A. Alfred Einstein
B. Ernest Lawrence
C. Cavendish
D. W.H. Carothers
A. bat
C. penguin
B. kangaroo
D. kite
A. lives on grass and roots
B. lives under water
C. lives on trees
D. has long sharp front teeth
A. Lord Lister
B. Alexander Fleming
C. Karl Landsteiner
D. Walter Reed
