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Question 1:
(i) What are the main physical properties of hydrogen sulphide?
(ii) Which occupational group of workers is often exposed to hydrogen sulphide?
(iii) Outline two acute and four chronic health effects of human exposure to hydrogen sulphide.
(iv) Suggest four engineering and four administrative controls to hydrogen sulphide at workplaces.
Explain briefly the importance of material safety data sheet.
what can you deduce about the relationship between ionization energy and reactivity of metals ..
Explain ten methods of preparation of cycloalkanes from straight and branched alkanes
17.4g CaCO3= mol O
how to do nomenclature of bicyclic compounds with functional groups??
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
How to determine the hybridization of a complex compound in a easy way? Generally d-block elements have tendency to form coordination compounds. from at. no. 21 .i.e scandi
Synethesis of alkanesa
Synthesis of di and tri substituted benzenes
how to teach mole to students
SHORTNOTE ON CONDUCTING POLYMERS
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