Chemistry Chernobyl disaster is the result of pollution by Oil spill Acid rain Radioactive waste Carbon dioxide Oil spill Acid rain Radioactive waste Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Chromium Zinc Nickel Lead Chromium Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC CO2 CO SO2 CFC CO2 CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to make the taste of food better increase the solubility of food particles in water ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better increase the solubility of food particles in water ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene Diamond 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 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP