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The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
which one contain greater number of moles:96gH2SO4 64gO2 48gch4 10gH2
Which one of the following configuration represents a noble gas: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , (2)1s 2, 2s 2, 2p 6 , 3s 1 (3) 1s 2 , 2s 2 , 2p 6 ,
Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole
For principle quantum numbern= 4 the total number of orbitals having l=3: (1) 3 (2) 7 (3) 5 (4) 9 Ans: 7
Indicate the nature of bonding in CCl 4 and CaH 2 : (1) Covalent in Ccl 4 and electrovalent in Cah 2 (2) Electrovalent in both CCl and CaH 2 (3) Covalent in bot
Explain the mechanism of fluid film or hydrodynamic lubrication.
what is atom
what is formox what does it do and is it good or bad for environment
What is basically Gibb''s free energy change?Why it is required and How is related to spontaneity of a chemical reaction ? Ans) The energy associated with a chemical reaction t
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