Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer O3 layer CO2 layer SO2 layer O 2 layer O3 layer CO2 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Acidified potassium permanganate Alkaline potassium permanganate Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate Hydrogen peroxide Bromine water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Viscosity Surface tension Osmosis Cohesion Viscosity Surface tension Osmosis Cohesion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Fermi Bohr Anderson Bethe Fermi Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
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