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Q. Define Elements and Compounds?
Pure substances are categorized into two categories that are elements and compounds. An element is a substance that can't be separated into simpler substances. Carbon, Oxygen, sulphur, aluminium, iron, and gold are elements. Above 110 elements are known but only 91 take place naturally on Earth. The residue have been created by scientists.
#questionthe extra Zn +2 ion are arising from wher? 2are they from their respective lattice site? 3pls provide animated videos for that..
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
Q. Give neutralization reactions of salts? Ans. A salt is an ionic compound composed of an anion from an acid and a cation from a base. Sodium chloride, NaCl, and potassiu
Relationship between nucleon number,proton number and the number of neutrons.
characteristics of irreversible reaction
Explain the Electrode reactions and the cell reaction? A cell diagram, with its designation of the left and right electrodes, allows us to write reaction equations for the cell
Determine the term - Photolithography As used in manufacture of I.C.S, it is the process of transferring geometrical shapes on a mask to surface of a silicon wafer. Photomask
Calculate the Value for the Standard Molar Reaction Entropy? Derive an expression for the standard molar reaction entropy of a reaction that can be used to calculate its
Write down the chemical equation for this process:- Haber-Bosch Process
Iso-electronic species is: (1) F - ,O -2 (2) F - , O (3) F - , O + (4) F - , O +2 Ans: F - ,O- 2
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