General Science Amalgams are Alloys which contain mercury as one of the contents Alloys which have great resistance to abrasion Alloys which contain carbon Highly coloured alloys Alloys which contain mercury as one of the contents Alloys which have great resistance to abrasion Alloys which contain carbon Highly coloured alloys ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Absorption of corresponding wavelengths by the prism used in the photograph. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science What is laughing gas? Hydrogen peroxide Sulphur dioxide Nitrous Oxide Carbon monoxide Hydrogen peroxide Sulphur dioxide Nitrous Oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Cadmium Lead Copper Chromium Cadmium Lead Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.23 0.4 0.44 0.21 0.23 0.4 0.44 0.21 ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following are the ingredients of gun metal? Iron, Brass and Tin Iron, Zinc and Titanium Copper, Tin and Zinc Iron and Tin Iron, Brass and Tin Iron, Zinc and Titanium Copper, Tin and Zinc Iron and Tin ANSWER DOWNLOAD EXAMIANS APP