Chemistry The most common cause of pollution of air is Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite None of these Magnetite Limnonite Haemetite None of these Magnetite Limnonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? 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) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Bauxite Calcite Cryolite Haematite Bauxite Calcite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Chloride Sodium Oxide Sodium Bicarbonate Sodium Sodium Chloride Sodium Oxide Sodium Bicarbonate Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Physical change None of these Electrical change Electrochemical change Physical change None of these Electrical change Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS