Chemistry Which of the following metals is not a pollutant ? Lead Arsenic Aluminium Mercury Lead Arsenic Aluminium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Phosphatic fertilizer Nitrogenous fertilizer Sodium fertilizer Potassium fertilizer Phosphatic fertilizer Nitrogenous fertilizer Sodium fertilizer Potassium fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O SO2 NO2 SO3 N2O SO2 NO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Silicon Lead Carbon Tin Silicon Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
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