Chemistry Which metal is extracted from sea water? Magnesium Beryllium Aluminium Potassium Magnesium Beryllium Aluminium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Silicon Thallium Caesium Tin Silicon Thallium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 36 17 53 19 36 17 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Carboxylic groups in oil Hydroxyl groups in oil Unsaturation in oil Alkali content in oil Carboxylic groups in oil Hydroxyl groups in oil Unsaturation in oil Alkali content in oil ANSWER DOWNLOAD EXAMIANS APP