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a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
Why alcoholic acidity of maids is expressed as H2SO4?
Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,
Q. What are the Subatomic Particles? Ans: What does the inside of atom look like? Following Dalton's discovery that all matter was composed of atoms, scientists wondered i
Baeyer's reagent - Tests of unsaturation It is 1% solution consisting of sodium carbonate. It is of pink in colour. An aqueous solution of the element, some drops of Baeyer's
The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is: (1) 7 (2) 6 (3) 5 (4) 3 Ans: 7
Longest chain Rule - IUPAC system of nomenclature The primary step in naming an organic compound is to choose the longest continuous chain of carbon atoms that may or may not
give one chemical test to distinguish the following pairs of compound ethyl nitrile and nitroetane;benzamide and p-aminobenzonic acid
in Cr atom the number of electron having n+m=3
Physical Properties of oils and Fats (a) Fats are solids, while oils are liquids. (b) They both are soluble in ether, chloroform and benzene although insoluble in water.
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