Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Benzene Methyl bromide Ethylene ozonide D.T. Benzene Methyl bromide Ethylene ozonide D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Benzene Ether Water Kerosene Benzene Ether Water Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal Nitre, sulphur and charcoal Sand and TNT TNT and charcoal Sulphur, sand and charcoal Nitre, sulphur and charcoal Sand and TNT TNT and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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