Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Aluminium Copper Zinc Iron Aluminium Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Gold number Octane number Added unlead compounds Cetane number Gold number Octane number Added unlead compounds Cetane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Acidmeter PH meter Ammeter Hygrometer Acidmeter PH meter Ammeter Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Green vitriol Gypsum salt Blue vitriol Epsom salt Green vitriol Gypsum salt Blue vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 2.05 gram 4.05 gram 3.05 gram 5.05 gram 2.05 gram 4.05 gram 3.05 gram 5.05 gram ANSWER DOWNLOAD EXAMIANS APP