Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride Fluorspar and Felspar Difluoro Dichloro Methane Hydrofluosilicic Acid Calcium Tetra Fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Bismuthates Bicarbonates Sulphonates Nitrates Bismuthates Bicarbonates Sulphonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Ozone Chlorine Nitrogen Oxygen Ozone Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Troposphere Stratosphere Ionosphere Exosphere Troposphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
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