Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier John Dalton Robert Boyle Democritus Antoine Lavoisier John Dalton Robert Boyle Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol Formaldehyde in water Formaldehyde in methanol Gaseous formaldehyde Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is gold platinum iron silver gold platinum iron silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 SO2 N2O NO2 SO3 SO2 N2O NO2 ANSWER DOWNLOAD EXAMIANS APP
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