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The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is:
(1) Heisenberg uncertainty principle
(2) Principle of de Broglie's wave nature of electron
(3) Pauli's exclusion principle
(4) Aufbau's principle
Ans: Heisenberg uncertainty principle
The ratio between the neutrons in C and Si with respect to atomic masses 12 and 28 is: (1) 2 : 3 (2) 3 : 2 (3) 3 : 7 (4) 7 : 3 Ans: 3 : 7
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Ask questionfreezing point as exemple of colligative propertiy. #Minimum 100 words accepted#
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Q. What are the Chemical Properties of Ammonia? Ans. Combustion: Ammonia does not burn in air but will burn in pure oxygen to form nitrogen and water vapor. 4NH 3 (g) +
K c is the equilibrium constants when the concentrations are expressed in moles/litre K c = Product of concentrate ions of products / product of concentrate ions of reactants
Q. Explain Ellingham Diagrams? Ellingham studied the variation of standard free energy change for the formation of a number of compounds, e.g., oxides, sulphides and chlorides,
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