Chemistry Identify the metal which is non toxic in nature. Cadmium Gold Chromium Cobalt Cadmium Gold Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide Methyl bromide Benzene D.T. Ethylene ozonide Methyl bromide Benzene D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Carbon and iron Chromium, carbon and iron Chromium and carbon Chromium and iron Carbon and iron Chromium, carbon and iron Chromium and carbon Chromium and iron ANSWER DOWNLOAD EXAMIANS APP