Chemistry The major constituent of air is oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Bismuthates Sulphonates Nitrates Bicarbonates Bismuthates Sulphonates Nitrates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million Half a million Ten million One million Two million Half a million Ten million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Potash alum Aluminium Chloride Aluminium sulphate Aluminium nitrate Potash alum Aluminium Chloride Aluminium sulphate Aluminium nitrate ANSWER DOWNLOAD EXAMIANS APP
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