Chemistry The most abundant element by number in the living system is : Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is colourless It is hard Its refractive index is high It is pure It is colourless It is hard Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Sulphuric acid Carbonic acid Acetic acid Formic acid Sulphuric acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Calcium Sodium Aluminium Silver Calcium Sodium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Mixtures Homogeneous systems Compounds Solutions Mixtures Homogeneous systems Compounds Solutions ANSWER DOWNLOAD EXAMIANS APP
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