Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon monoxide 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Phosphorus Silicon Sodium Graphite Phosphorus Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Photochemical smog Sulphurous smog Industrial smog Acid fumes Photochemical smog Sulphurous smog Industrial smog Acid fumes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
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