Chemistry The filter over which sewage is sprinkled is called as Contact bed Intermittent sand filter Percolating filter Trickling filter Contact bed Intermittent sand filter Percolating filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Carbonic acid Formic acid Acetic acid Sulphuric acid Carbonic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Methane and oxygen Butane and propane Butane and hydrogen Butane and oxygen Methane and oxygen Butane and propane Butane and hydrogen Butane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Carbon dioxide Nitrous oxide and sulphur dioxide Methane Carbon monoxide Carbon dioxide Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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