Chemistry Atomic number of an atom gives the number of which of the following ? Protons Electrons Neutrons Neutrons and protons Protons Electrons Neutrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Proteins Carbohydrates Fats Vitamins Proteins Carbohydrates Fats Vitamins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of potassium permanganate Fractional distillation of liquid air Decomposition of manganese dioxide Electrolysis of water Decomposition of potassium permanganate Fractional distillation of liquid air Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Silica Paper Asbestos Textiles Silica Paper Asbestos Textiles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to SO2injury HF injury NO2injury O3injury SO2injury HF injury NO2injury O3injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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