Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Acetylene Methyl alcohol Ethyl formate Methane Acetylene Methyl alcohol Ethyl formate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Sodium thiosulphate Silver iodide Silver nitrate Sodium nitrate Sodium thiosulphate Silver iodide Silver nitrate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Substitution Elimination Oxidation Addition Substitution Elimination Oxidation Addition ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.4 mole 0.25 mole 0.2 mole 0.5 mole 0.4 mole 0.25 mole 0.2 mole 0.5 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 18 Zero 12 6 18 Zero 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Ethane Carbon monoxide Carbon di-oxide Methane Ethane Carbon monoxide Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
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