Hazards, Chemistry

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What are the examples of radiation hazards

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The total number of unpaired electrons & atoms of element, The total numbe...

The total number of unpaired electrons in d- orbital's of atoms of element of atomic number 29 is: (1) 10         (2) 1        (3) 0     (4)5 Ans:   0

Mole fraction, The mole fraction of solute and solvent is equal to

The mole fraction of solute and solvent is equal to

Explain about roasting process, Q. Explain about Roasting process? Roas...

Q. Explain about Roasting process? Roasting is the method of heating ores in the presence of excess air and involves oxidation. It is mainly applied to sulphide ores, which are

The electronic configuration of chromium is, The electronic configuration o...

The electronic configuration of chromium is: (1) [Ne]3s 2 , 3p 6 , 3d 4 , 4s 2 ,               (2) [Ne]3s 2 , 3p 5 , 3d 4 , 4s 1 ,            (3) [Ne]3s 2 , 3p 6 , 4s 2 ,

The shape of 2p orbital is, The shape of 2p  orbital is ; (1) Spherical...

The shape of 2p  orbital is ; (1) Spherical (2) Ellipsoidal (3) Dumb-bell (4)Pyramidal ans:  Dumb-bell

Determine the ph of this buffer, You make up 0.100 L of a buffer having 1.0...

You make up 0.100 L of a buffer having 1.00 M acetic acid and 1.10 M sodium acetate. The Ka of acetic acid is 1.8 x 10-4. (a) Determine the pH of this buffer.

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