Chemistry Maximum permissible concentration of total hardness in drinking water is 500 100 200 50 500 100 200 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Wool wax Plant gums Coal tar Petroleum Wool wax Plant gums Coal tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Dilute acid Detergent Ordinary soap Liquid soap Dilute acid Detergent Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP
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