Chemistry Electric bulbs are filled with : Nitrogen Oxygen Argon Carbon dioxide Nitrogen Oxygen Argon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer Ammeter Acidmeter PH meter Hygrometer Ammeter Acidmeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 FeS2 Fe3O4 Fe2O3 FeCO3 FeS2 Fe3O4 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O Zn(OH)2 CuS PbCl2 CaCl2 Zn(OH)2 CuS PbCl2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Cast iron Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Acidic dye Vitamin Secondary pollutant Plant hormone Acidic dye Vitamin Secondary pollutant Plant hormone ANSWER DOWNLOAD EXAMIANS APP