Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Aluminium Copper Silver Mercury Aluminium Copper Silver Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Winter during morning time Winter during day time Summer during morning time Summer during day time Winter during morning time Winter during day time Summer during morning time Summer during day time ANSWER DOWNLOAD EXAMIANS APP
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