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The emission spectrum of hydrogen is found to satisfy the expression for the energy change. teiangle E (in joules) such thatTriangle E= 2.18x10(1/n 2 1 - 1/ n 2 1 ) J where n
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
Electron occupies the available orbital singly before pairing in any one orbital occurs, it is : (1) Pauli's exclusion principle (2) Hund's Rule (3) Heisenberg's principle
why all scandium salt are white
Which one pair of atoms or ions will have same configuration: (1) F + ans Ne (2) Li + He - (3) C l - and Ar (4) Na and K Ans: Cl - an
A gas is a fluid. It has no resistance to change of shape and will expand indefinitely to fill any container in which is held. The molecules or atoms which make up a gas interact o
how to check the quality of sesame oil such as fat, nutrients, etc.,?
chemical reaction needed to lift a balloon
What are gredients for chemical and physical properties in lactic acid?
Q. Explain the working of chemical cell ? Ans. A chemical cell can be set up by dipping two different metals in an electrolyte and connecting the two metals with an external
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