Related Questions

The ratio of mass of proton to that of electron is nearly
A 1840
B 1480
C 30
D 4
What is the size of Electron as comapared to Proton and Neutron?
A 1/355
B 1/1236
C 1/1836
D 1/1923
What is the difference between the kinds of charges for an electron and a proton?
A An electron has a positive charge and a proton has no charge
B An electron has a positive charge and a proton has a negative charge
C An electron has a negative charge and a proton has a positive charge
D An electron has a negative charge and a proton has no charge
E None of the above
If electron flows in right direction, proton seems to flow-.
A Leftward
B Rightward
C Upward
D Downward
Who indirectly determined the mass of the electron by measuring the charge of the electron?
A Thomson
B Millikan
C Rutherford
D Einstein
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
A free electron is a valence electron that has broken away from its parent atom.
A True
B False
Neutrons have mass approximately equal to that of __________ atoms.
A Hydrogen
B Helium
C Deuterium
D None of these
Primary active transport of hydrogen ion proton pump occurs in
A Gastric glands
B Cortical collecting ducts of the kidneys
C Osteoclasts of bone
D Ventricles of the brain
E Capillaries in the lungs
Proton-pump inhibitors are
A Omeprazole
B Pantoprazole
C Sucralfate
D Famotidine
E Misoprostol

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