Chemistry The substance which does not expand on going from liquid state to solid state is Water Cast-iron Aluminium Type metal Water Cast-iron Aluminium Type metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Antimony Lead Chromium Zinc Antimony Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which halide is used in making sensitive emulsion on photograhic film? Silver chloride Silver bromide Silver iodide Sodium chloride Silver chloride Silver bromide Silver iodide Sodium chloride 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 Petrol is too inflammable to be extinguished by water 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 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 oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrical change Electrochemical change Physical change None of these Electrical change Electrochemical change Physical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene acetylene carbon dioxide ethane ethylene acetylene carbon dioxide ethane ANSWER DOWNLOAD EXAMIANS APP
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