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                                 R  Rainbow Colour Reaction  Here Is the List of the reactions that are used to form rainbow colour in chemistry.That are Easily available in a School chemistry lab.                                                     For Violet Colour - Use Potassium Permanganate And Cold Water                          4KMnO4+ 2H2O → 4MnO2 + 3O2 + 4KOH For Prussian Blue - Use Potassium Hexacyanoferrate and FeCl3                    3K4[Fe(CN)6] + 4FeCl3 →  12KCl + Fe4[Fe(CN)6]3 For Pink Colour - Use Potassium Permanganate and Hot water                                 ( KMnO4 + Water is heated till gets Pink)                           4KMnO4+ 2H2O → 4MnO2 + 3O2 + 4KOH For Green Colour - Use Iron Salt and Sulphuric Acid And Water                       Fe2+ + H2SO4 + xH2O → FeSO4 + H2O + 2H+ For Yellow Color - Use K2CrO5                             Dissolve in water For Orange Color - Use K2Cr2O7                              Dissolve in Water For  Red c

Our objective is to prepare: Lyophilic Sols of Starch Gum Egg albumin Lyophobic Sols of Ferric hydroxide [Fe(OH) 3 ] Aluminium hydroxide [Al(OH) 3 ] Arsenious sulphide [As 2 S 3 ] The Theory What is Surface Chemistry? Surface chemistry is a branch of chemistry that deals with the study of the nature of surfaces, and physical and chemical reactions occur at the interface of two phases. It is closely related to colloid science. The foundation of colloidal chemistry was laid down by Thomas Graham, a Scottish scientist. What are Colloids? Colloids are the dissolved state of substances that either do not pass, or pass very slowly through a parchment paper or animal membrane. A few examples of colloids are starch, glue and  gelatin. A colloid is not a substance, but it depicts a particular state of a substance that depends upon the size of its particles. The size of a particle in a colloidal system is  between 1-100 nm. A colloidal system is a two phase heteroge

                                              TRUE LOVE Hey Guys ! so this is just a simple post I want to share with you all, Now it looks like I have grown because there is now a sudden change in me., I have began to really feel emotions before I was just a shut-in. But now it is not , I have kind of overcame this "shut-in" shit and started to feel sadness , anxiety , and love. So you guys have probably came to this post looking what is the single way you can detect that you are in love. By the way I have read many-many love nobles just try to understand these things cause I was a "shut-in" but Now I fell in love with someone out of my reach, And I know that she is someone ,who can never be mine , because she is in love with someone and actually the thing is that she lives in JAPAN and I live in INDIA . Isn't it kind of strange cause I have just talked to her and listen her voice, answered her video call and I fell in love. It's not like I have never m

What is the Point of a Pulley? In its simplest implementation, a pulley simply turns a force in one direction into a force in another direction. This might be useful if it’s easier to apply a force in one direction than the other (e.g. to pull downwards rather than push upwards). A pulley really comes into its own when it is combined with another pulley to create a system known as a  block and tackle , allegedly invented by Archimedes in the third century BC. The simplest block and tackle, the  gun tackle , uses two pulleys, which are usually mounted above one another (for clarity, they are shown separated in the diagram below). The load (W) is shared between the tension in the rope and the mount that attaches the block and tackle to the ceiling, and thus you only have to pull with a force equal to half the weight in order to lift it. However, you will have to pull the rope twice as far and thus the conservation of energy is not violated (lifting a one hundred newton weig

Introduction of Magnetism and Matter Index ü   History ü   Definition of Magnets and Magnetism in physics ü   Source of Magnetism or Cause of Magnetism ü   Classes of Magnetic Materials ü   Definition of Matter ü   Different States of Matter ü   Relation between Matter and Magnetism ü   Conclusion ü   Frequently asked Questions (FAQs) History In the ancient world when people started noticing that Lodestones (magnetized pieces of mineral magnetite) was able to attract iron it was then only when the concept of magnetism was introduced. Indian surgeon  Surushastra  was the first person to use magnets for surgical purposes.   Definition of Magnets and Magnetism in physics Magnets:  The ability of an object or a material to produce invisible magnetic field lines in order to develop a force which attracts other ferromagnetic materials such as iron, steel, etc. are known as  Magnets . Magnetism:  Magnetism is a pheno