Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents atomic structure metallurgy discovery of elements periodic table of contents atomic structure metallurgy discovery of elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c C and d B and c A and b A and c C and d B and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Increasing Constant Decreasing Zero Increasing Constant Decreasing Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Oxalic acid Phenol Acetic acid Ethanol Oxalic acid Phenol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mg Mr Hg None of these Mg Mr Hg None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Microbes, present in air Pollutant gas, present in air Green house gas present in air Suspended solid particles in air Microbes, present in air Pollutant gas, present in air Green house gas present in air Suspended solid particles in air ANSWER DOWNLOAD EXAMIANS APP