General Science The gases used in different types of welding would include Oxygen and Acetylene Oxygen and Hydrogen Oxygen, Hydrogen, Acetylene and Nitrogen Oxygen, Acetylene and Argon Oxygen and Acetylene Oxygen and Hydrogen Oxygen, Hydrogen, Acetylene and Nitrogen Oxygen, Acetylene and Argon ANSWER DOWNLOAD EXAMIANS APP
General Science The average salinity of sea water is 3.5% 3% 3.5% 4% 3.5% 3% 3.5% 4% ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used for removing air bubbles from glass during its manufacture? Feldspar Potassium carbonate Arsenous oxide Soda ash Feldspar Potassium carbonate Arsenous oxide Soda ash ANSWER DOWNLOAD EXAMIANS APP
General Science The group of metals Fe, Co, Ni may best called as Transition metals Rare metals Main group metals Alkali metals Transition metals Rare metals Main group metals Alkali metals ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to 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. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. 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. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. ANSWER DOWNLOAD EXAMIANS APP
General Science How does common salt help in separating soap from the solution after saponification? By decreasing solubility of Soap By decreasing density of Soap By increasing solubility of Soap By increasing density of Soap By decreasing solubility of Soap By decreasing density of Soap By increasing solubility of Soap By increasing density of Soap ANSWER DOWNLOAD EXAMIANS APP
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