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how to write chemistryindailylife assignment
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
The energy of the electron in the first orbit of He + is -871.6x 10 -20 J . The energy of the electron in the first orbit of hydrogen would be : (1) -871.6 x10 -20 J
Filter A plant pot with a plug of cotton wool in the bottom and a layer of sand little inches deep makes a satisfactory filter for more purposes
Which of the following reduces the activation energy of a chemical reaction?
which one contain greater number of moles:96gH2SO4 64gO2 48gch4 10gH2
What do you mean by limiting diffusion current in polarography
WHAT CAUSES WIND
on what basis basic radicals are separated into six groups ?
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