Chemistry The major constituent of air is hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 7.5-8 4.5-5 44052 6.5-7 7.5-8 4.5-5 44052 6.5-7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons Electrons None of these Protons Neutrons Electrons None of these Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 SO2 Lead Hg NO2 SO2 Lead Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Interrupted release of moisture from the material Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Silver bromide Aluminium hydroxide Sodium chloride Potassium nitrate Silver bromide Aluminium hydroxide Sodium chloride Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP