Chemistry Hardness of the water is commonly measured in terms of Magnesium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Jojoba wax Carnauba wax Bees wax Paraffin wax Jojoba wax Carnauba wax Bees wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Platinum Gold Iron Tungsten Platinum Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Au Cu Ge Ag Au Cu Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Softening Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation ANSWER DOWNLOAD EXAMIANS APP