Chemistry Which one of the following is most acidic CaO Na2O Al22O3 MgO CaO Na2O Al22O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Sulphur dioxide Nitrous oxide Ammonia Arsine Sulphur dioxide Nitrous oxide Ammonia Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Tendency to gain electrons Low ionization energy Low electronegativity Malleability Tendency to gain electrons Low ionization energy Low electronegativity Malleability ANSWER DOWNLOAD EXAMIANS APP
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