Chemistry Who is known as the 'father of modern chemistry' Democritus John Dalton Antoine Lavoisier Robert Boyle Democritus John Dalton Antoine Lavoisier Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and chromium Manganese and copper Chromium and nickel Copper and nickel Copper and chromium Manganese and copper Chromium and nickel Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Zinc Tin Copper Chromium Zinc Tin Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Diethylamine Triethylamine Ethylamine Ammonia Diethylamine Triethylamine Ethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP