Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Carbon monoxide Carbon di-oxide Ethane Methane Carbon monoxide Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Deactivated nitrogen Bleach Alum Activated carbon Deactivated nitrogen Bleach Alum Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by All of these Commuting by public transport Recycling waste materials Using energy efficient appliances All of these Commuting by public transport Recycling waste materials Using energy efficient appliances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as anesthetic ? NH3 N2O NO NO2 NH3 N2O NO NO2 ANSWER DOWNLOAD EXAMIANS APP
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