Chemistry The quality of petrol is expressed in terms of Gold number Cetane number Octane number Added unlead compounds Gold number Cetane number Octane number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed No heat change takes place Heat is liberated Temperature decreases Heat is absorbed No heat change takes place Heat is liberated Temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium silicate Calcium phosphate Calcium oxide Sodium phosphate Sodium silicate Calcium phosphate Calcium oxide Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Pure substance Both A and B Homogeneous Heterogeneous Pure substance Both A and B Homogeneous Heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Carbonates absorbed from soil Water Oxides of minerals Carbon dioxide Carbonates absorbed from soil Water Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP