Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Silicon Sodium Graphite Phosphorus Silicon Sodium Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 0.94 78.03 0.03 85.02 0.94 78.03 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy F P S Cl F P S Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Green vitriol Blue vitriol Epsom salt Gypsum salt Green vitriol Blue vitriol Epsom salt Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Stomach ache Acne Eye sight Headache Stomach ache Acne Eye sight Headache ANSWER DOWNLOAD EXAMIANS APP
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