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Question:
(a) Explain the potential health risk which composting will pose to workers or to those located near a facility.
(b) A number of concerns have been shown in regard to risk assessment and waste management. Show fully the four main stages in the systematic approach to risk assessment.
(c) With regards to public health and environmental protection a properly designed and operated landfill should offer advantages in several areas. Describe briefly five advantages.
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
Octet rule is not valid for the molecule: (1) Co 2 (2) H 2 O (3) CO
de-Broglie equation is: (1) n γ= 2d sin θ (2) E= hv (3) E= mc 2 (4) γ= h/ mv Ans: γ= h/ mv
Why p-nitro toluene is higher boiling point than o-nito toluene ? Ans) The term hydrogen bonding is used to define dipole-dipole attractive forces of this type. The proton invol
It can be because these group tend to decrease the electron density when attached to a benzene or other ring structure preferentially at ortho and pera position.
Voltammetry: You learnt about voltammetry. Several electrodes, especially the general microelectrodes used in voltammetry were discussed. Then we discussed the common voltamme
glutamic acid standard estimation protocol
Transition metals are substances of the d block that form compounds where electrons from d orbitals are ionized or otherwise accept in bonding. Typical transition metal charac
Bakelite: It is thermosetting plastics which are most widely used and the most important plastics. Preparation: It is formed by condensation reaction of phenol an
Q. Explain about Thiosulphuric Acid? Thiosulphuric acid, H 2 S 2 0 3 , has never been isolated but its salts are well known which contain the thiosulphate ion, S 2 O 2- 3 . Th
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