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- For the half cell At , electrode potential is
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- PART- III (PHYSICS) Section – 1 Straight Objective Type This section contains 9 multiple choice questions numbered 1 to 9. Each question has 4 choices (A), (B), (C) and...
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- Oxidation number of P in is :
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- When is reduced with oxalic acid in acidic solution, the oxidation number of Mn changes from -
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- The size of nucleus is of the order of
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- If x is the velocity of an electron in first Bhor’s orbit. What would be the velocity of the electron in third Bhor’s orbit ?
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- Using hund’s rule to decide which of the following is not the ground state electronic configuration
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- The position of both an electron and a helium atom is known within 1.0 nm and the momentum of the electron is known within . The minimum uncertainty in the measurement of the mo...
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- If wavelength of photon is ,, then momentum of photon is :
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- A mixture of carbonates of two bivalent metals contains 13.6% of one metal. If 2.5 g of the mixture liberates 1.33 g , the % by weight of the other metal is
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- Al is stable isotope, Al is expected to disintegrated by
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- Which of the following has been arranged correctly in increasing order of acid strength. A – B – C – D –
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- A solution is mixture of 0.05 M and 0.05 M . The concentration of ion in the solution when just start to precipitating is equal to
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- A viral preperation was inactivated in a chemical bath. The inactivation process was found to be first order in virus concentration, and at the beginning of the experiment 2.0% ...
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- and can not co-exist in a solution due to
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- Cyclohexanone on reaction with sodium carbonate solution forms:
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- The angle between the planes, 3x – 4y + 5z = 0 & 2x – y – 2z = 5, is