Which one among the following is the most appropriate statement with respect to the atomic weight of an element?
Mass number which is sum total of the number of protons and neutrons present in the atom of an element is a whole number
Which one among the following transitions of electron of hydrogen atom emits radiation of the shortest wavelength?
Which one among the following is the correct order of amount of lime (CaO), silica (SiO2), alumina (Al2O3) and ferric oxide (Fe2O3) in Portland cement
Which one among the following nitrogen compounds has the least percentage of nitrogen by mass
The following equation is an example of a redox reaction, in which Cl2 is the oxidizing agent and FeBr3 is the reducing agent:
2FeBr3(aq) + 3Cl2(g) = 2FeCl3(aq) + 3Br2(l)Which one among the following statements if incorrect for this redox reaction?
Which of the following is not a micronutrient for a plant?
