Chemistry Poison used for killing rats is Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Acetic Acid Methyl Alcohol Ethyl Alcohol Ethylene Acetic Acid Methyl Alcohol Ethyl Alcohol Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Spermatozoan Oocyte Lymphocyte Erythrocyte Spermatozoan Oocyte Lymphocyte Erythrocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is No maintenance No sloping Stagnation of water on road Heavy traffic No maintenance No sloping Stagnation of water on road Heavy traffic ANSWER DOWNLOAD EXAMIANS APP
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