Chemistry Which one among the following is not a mixture? Steel Glass Graphite Brass Steel Glass Graphite Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HF HNO3 H2SO4 HCl HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Methane Nitrogen Chlorofluorocarbons Carbon dioxide Methane Nitrogen Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea beds have salt producing mines The air around the sea is saltish Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines The air around the sea is saltish Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Percentage of carbon in steel ranges from 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 0.1 to 1.5 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 0.1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP