Describe Cleaning Mechanism of Glass Cleaner The main component of glass cleaner is isopropyl alcohol. Oil and grease are soluble in it. Detergent molecule has polar sulphate hydrophilic portion at one…
Describe Planck’s Quantum Theory of Electromagnetic Radiation Planck’s Quantum Theory of Electromagnetic Radiation Some of the experimental phenomena such as diffraction and interference can be explained by the wave nature of the…
Explain Wave Nature of Electromagnetic Radiation Wave Nature of Electromagnetic Radiation: James Maxwell (1870) was the first to give a comprehensive explanation about the interaction between the charged bodies and the…
Explain Bohr’s Model of Atom Bohr’s Model of Atom: Historically, results observed from the studies of interactions of radiations with matter have provided immense information regarding the structure of atoms and…
Drawbacks of Rutherford Model Rutherford nuclear model of an atom is like a small scale solar system with the nucleus playing the role of the massive sun and the…
Define and Describe on Atomic Number The presence of positive charge on the nucleus is due to the protons in the nucleus. As established earlier, the charge on the proton is…
Explain Cleaning Mechanism of Toilet Cleaner Cleaning mechanism of toilet cleaner. Caustic soda reacts with fat and oil and form glycerin and soap. Produced soap and liquid soap used in the…
Describe Preparation of NaOH at Laboratory Preparation of NaOH: In aqueous solution NaCI and water are dissociated as- NaCI (aq) ↔ Na+ (aq) + Cl– (aq) H2O (l) ↔ H+ (aq)…
How to Prepare Toilet Cleaner Prepare toilet cleaner by following procedure: Necessary components: Caustic soda (NaOH), borax, liquid soap, vinegar, salt & water. Procedure: Make a mixture in a plastic…
Describe Rutherford’s Nuclear Model of Atom Rutherford’s Nuclear Model of Atom: Rutherford and his students (Hans Geiger and Ernest Marsden) bombarded very thin gold foil with α-particles. Rutherford’s famous α-particle scattering…