Chemistry The octane number of zero is assigned to iso-octane n-heptane 3-methyl octane 2-methyl octane iso-octane n-heptane 3-methyl octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is three one zero two three one zero two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Salt Citric acid Vinegar Lactic acid Salt Citric acid Vinegar Lactic acid ANSWER DOWNLOAD EXAMIANS APP
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