Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Hydroxide Sodium Monoxide Sodium Carbonate Sodium Peroxide Sodium Hydroxide Sodium Monoxide Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The oxygen content of water is isolated by petrol and thus it helps in burning 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 heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning 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 heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2,2-dimethyl hexane 2-methyl heptane N-heptane Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Quartz Galena Mica Feldspar Quartz Galena Mica Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Rapid industrialization Deforestation All of these Increased transportation activity Rapid industrialization Deforestation All of these Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP
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