Chemistry Why is water not suitable for putting out a petrol fire ? 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 The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon oxide Silicon carbide Calcium oxide Calcium carbide Silicon oxide Silicon carbide Calcium oxide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Viscosity Surface tension Cohesion Osmosis Viscosity Surface tension Cohesion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Bromine Nitrogen Chlorine Fluorine Bromine Nitrogen Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Mercury Platinum Gold Iron Mercury Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Not stable Chemically unreactive Chemically very active Miscible with water Not stable Chemically unreactive Chemically very active ANSWER DOWNLOAD EXAMIANS APP