General Science Which metal pollute the air of a big city? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
General Science Nautical mile is a unit of distance used in: Measuring the boundaries of a nation Road mile Navigation Astronomy Measuring the boundaries of a nation Road mile Navigation Astronomy ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used for removing air bubbles from glass during its manufacture? Feldspar Arsenous oxide Soda ash Potassium carbonate Feldspar Arsenous oxide Soda ash Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Chlorophyll is a naturally occurring chelate compound in which central metal is Copper Iron Magnesium Calcium Copper Iron Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
General Science In which of the following activities silicon carbide is used? Making casts for statues Making cement and glass Disinfecting water of ponds Cutting very hard substances Making casts for statues Making cement and glass Disinfecting water of ponds Cutting very hard substances ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. Absence of corresponding wavelengths from the light emitted by the core of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. ANSWER DOWNLOAD EXAMIANS APP
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