Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease Corrosion building materials All of these Reduction in plant's productivity owing to acid rain Respiratory and lung disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Evaporation Distillation Fractional distillation Filtration Evaporation Distillation Fractional distillation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Nonconductor Conductor Insulator Semiconductor Nonconductor Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Hg Fe Na Ag Hg Fe Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Carbon dioxide Nitrous oxide Nitrogen Oxygen Carbon dioxide Nitrous oxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium sulphate Aluminium Chloride Potash alum Aluminium nitrate Aluminium sulphate Aluminium Chloride Potash alum Aluminium nitrate ANSWER DOWNLOAD EXAMIANS APP
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