Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 8 Zero 4 –4 8 Zero 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Phosphoric acid Formic acid Hydrochloric acid Acetic acid Phosphoric acid Formic acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? One million Half a million Two million Ten million One million Half a million Two million Ten million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium None of these Manganese Calcium Magnesium None of these Manganese Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Oxidised in air Totally colourless Reduced by light Soluble in hyposolution Oxidised in air Totally colourless Reduced by light ANSWER DOWNLOAD EXAMIANS APP