Chemistry Electric bulbs are filled with : Nitrogen Oxygen Argon Carbon dioxide Nitrogen Oxygen Argon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Calcium Barium Sodium Strontium Calcium Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA European Union, China, USA, India China, USA, European Union, India USA, India, China, European Union China, India, European Union, USA ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Graphite Brass Glass Steel Graphite Brass Glass Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Silver Copper Aluminum Manganese Silver Copper Aluminum ANSWER DOWNLOAD EXAMIANS APP
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