Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium sulphate Calcium nitrate Calcium chloride Calcium carbonate Calcium sulphate Calcium nitrate Calcium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Brass Bronze Copper Silver Brass Bronze Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Bleach Activated carbon Deactivated nitrogen Alum Bleach Activated carbon Deactivated nitrogen Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Sulphur Carbon Phosphorous Bromine Sulphur Carbon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS