General Science Marsh gas is Nitrogen Hydrogen Ethane Methane Nitrogen Hydrogen Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
General Science Balloons are filled with Argon Nitrogen Oxygen Helium Argon Nitrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Einstein Rutherford Bohr Thompson Einstein Rutherford Bohr Thompson ANSWER DOWNLOAD EXAMIANS APP
General Science The age of most ancient geological formations is estimated by Uranium - lead method C14 method Potassium - argon method Ra - Si method Uranium - lead method C14 method Potassium - argon method Ra - Si method ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 cm 1 m 10 micron 1 angstrom 1 cm 1 m 10 micron 1 angstrom ANSWER DOWNLOAD EXAMIANS APP
General Science Optic fibers are mainly used for which of the following? Weaving Musical instruments Communication Food industry Weaving Musical instruments Communication Food industry ANSWER DOWNLOAD EXAMIANS APP