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Q. What do you mean by electro-magnetic radiation?
In the untimely twentieth century scientists accepted the idea that an atom consisted of a massive positively charged nucleus surrounded by negatively charged electrons. Additional explanation of the atom's electron arrangement came from research involving light and its interaction with matter.
Wave nature of light observable light is part of a range of electro-magnetic radiation a form of wave energy that travels through empty space and is propagated in the form of alternating electric and magnetic fields. Gamma rays, X rays and radio waves are other examples of electromagnetic radiation.
ionic equation by ionelectron method (half reaction)
What are the basic physical and chemical properties of this group
Q. Show Equilibrium expression for water? Ans. The equilibrium expression for water is equal to a constant, Kw. This constant is called the ion product of water and is equ
Manufacture of acetic acid - Quick vinegar process (a) From ethyl alcohol (Quick vinegar process): Vinegar is 6-10% aqueous solution of acetic acid. It is acquired by fermen
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1. Discuss how such discoveries, technological advancement and breakthroughs were achieved and the person behind this advancement, it can be local or international. 2. List the ma
The emf of the cell Cd/CdSO4(0.0093M)//CdSO4/Cd is 0.086V at 25°C find the value of X solution
Electronic configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 represents: (1) Ground state (2) Excited state (3) Anionic state (4) All of these Ans: Ground
The formation of energy bonds in solids are in accordance with: (1) Heisenberg's uncertainty principle (2)Bohr's theory (3 )Ohm's law (4) Rutherford's atomic model
how to dye a cotton and wool cloth with aniline yellow?
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