Chemistry Supersonic jet causes pollution by thinning of CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Ultra pure carbon Beryllium Silicon Tantalum Ultra pure carbon Beryllium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 4 2 3 1 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Coagulation Emulsification Adsorption Absorption Coagulation Emulsification Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids None of these Sodium salt of benzoic acid Sodium salts of sulphonic acids Sodium salts of fatty acids ANSWER DOWNLOAD EXAMIANS APP
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