A. Reducing the weight of the bob
B. Reducing the length of the rod
C. Increasing the weight of the bob
D. Increasing the length of the rod
A. Hydrogen Sulphide
B. Carbon
C. Helium
D. Hydrogen
A. Henry Becquerel
B. Newton
C. Pasteur
D. Watson
A. Centrifugation
B. Diffusion
C. Dialysis
D. Reverse osmosis
A. Calcium Phosphate
B. Sugar
C. Calcium sulphate
D. Sodium Chloride
A. Ultrasonic Waves
B. Ultraviolet Waves
C. Electromagnetic Waves
D. Special Retina
A. Carbon dioxide
B. Carbon monoxide
C. Carbon tetrachloride
D. None of the above
A. The strength of T.V. waves is very limited
B. Picture cannot be transmitted clearly after a specific distance
C. The shape of the earth is spherical
D. The air is not a good conductor of light and sound/waves
A. Caffeine
B. Brucine
C. Theine
D. Phenylalanine