Chemistry Sea water can be purified by the process of Evaporation Distillation Filtration Fractional distillation Evaporation Distillation Filtration Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbohydrates Carbonates Hydrocarbons Carbides Carbohydrates Carbonates Hydrocarbons Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 0.01 minute 100 years 13 days 3 billion years 0.01 minute 100 years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Sodium iodide Potassium iodate Potassium iodide Iodine Sodium iodide Potassium iodate Potassium iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
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