Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry In organic compounds, nitrogen is estimated by Dumas method Liebig's method Victor-Meyer's method Carius method Dumas method Liebig's method Victor-Meyer's method Carius method ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n-2 n n3 n2 n-2 n n3 n2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 3 to 5 6 to 8 0.5 to 1.5 0.01 to 0.25 ANSWER DOWNLOAD EXAMIANS APP
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