Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Hydrochloric acid Nitric acid Aqua-regia Acetic acid Hydrochloric acid Nitric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetic acid Formaldehyde Acetone Ethanol Acetic acid Formaldehyde Acetone Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Lactic acid Palmitic acid Citric acid Acetic acid Lactic acid Palmitic acid Citric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
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