Chemistry Browning of paper in old books is caused by Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Octane number Cetane number Gold number Added unlead compounds Octane number Cetane number Gold number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is One Three Two Zero One Three Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Carbonic acid Acetic acid Lactic acid Citric acid Carbonic acid Acetic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Natural Gas Coal Firewood Petroleum Natural Gas Coal Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste As purgative In softening water In paper industry In making tooth paste As purgative In softening water In paper industry ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS