Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water 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 Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water 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 Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Tin Lead Zinc Copper Tin Lead Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Electron Meson Proton Neutrino Electron Meson Proton Neutrino ANSWER DOWNLOAD EXAMIANS APP
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