Chemistry ________ gives hardness to stainless steel. Zinc Carbon Lead Tin Zinc Carbon Lead Tin 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 heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water 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 The heat required for combustion of petrol is very low 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 Trinitrotoluene is Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Methyl alcohol Ethyl formate Acetylene Methane Methyl alcohol Ethyl formate Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Siderite Galena Pyrolusite Magnetite Siderite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Carbon monoxide Hydrogen sulphide Carbon dioxide Methane Carbon monoxide Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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