Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Fluorine Aluminium Potassium Lead Fluorine Aluminium Potassium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 6.023 x 1023 1.568 x 103 4.84 x 1017 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrate Sodium nitrite Potassium nitrate Potassium nitrite Sodium nitrate Sodium nitrite Potassium nitrate Potassium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
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