The heaviest man made element found so for is__________?
A. Promethium
B. Ununoctium
C. Francium
D. Technetium
The process of splitting water molecules in the presence of light energy is called_________?
A. Electrolysis
B. Photolysis
C. Radiolysis
D. Thermolysis
Which of the following bonds are weakest in nature?
A. Single bond
B. Double bond
C. Triple bond
D. Hydrogen bond
The most suitable unit for expressing nuclear radius is_______?
A. Angstrom
B. Micro
C. Nano meter
D. Fermi
By which process does the smell of cooking spread to all the rooms in a house?
A. Distillation
B. Diffusion
C. Decomposition
D. Displacement
Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
A. Boyle’s law
B. Charles’ law
C. Gay-Lussac’s law
D. Avogadro’s law
The process whereby energy is dissipated from the oscillating system is called__________?
A. Oscillation
B. Damping
C. Resonance
D. None of these
Internal friction of fluid is called_________?
A. Viscosity
B. Surface tension
C. Resistance
D. Cohesive force