Chemistry The main constituent of biogas is Acetic acid Methane Methyl alcohol Oxygen Acetic acid Methane Methyl alcohol Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 92 98 110 62 92 98 110 62 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide Potassium nitrate Sodium chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Methane and carbon dioxide Isobutane and propane Methane and carbon monoxide Carbon dioxide and oxygen Methane and carbon dioxide Isobutane and propane Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Cadmium Chromium Lead Copper Cadmium Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
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