Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper D.T. Aluminium Plastic Paper D.T. Aluminium Plastic ANSWER DOWNLOAD EXAMIANS APP
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