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 photoelectron spectroscopy UV absorption spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy UV absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Has no action on the rate of the reaction None of these Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction None of these Increases the rate of the reaction Decreases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 13 15 18 21 13 15 18 ANSWER DOWNLOAD EXAMIANS APP
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