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For highly volatile liquid wastes
Highly volatile liquid waste could be disposed of by effective ventilation until the liquid completely evaporates. Example: Diethyl ether.
A siphon fountain Fit a glass jar (a flask from a used electric bulb) with hole rubber stopper. By one hole place a jet tube which will extend about half way to the top of the
Explain ABO Blood Grouping System As the name suggest, this is based on the presence or absence of 9 antigens A and B, on the surface of RBC. If either of these antigens is pr
State the term- Weathering Weathering refers to the combined activity of destruction and synthesis of rocks. Natural weathering processes occur around us everyday, continually
in a reaction 5.3g of sodium carbonate reacted with 6g of ethanic acid. theproducts were 2.2 g of carbon dioxide , 0.9g water and 8.2 g of sodium ethanoate, show that these observa
factors affecting nitrogen balance
The Fume Cupboard : If a reaction uses or produces harmful gases, dusts or vapours, it poses a risk of inhalation. Such reactions should be carried out not on an open bench but in
Explain the term- lichens The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take p
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Question 1: (i) Show a diagram to show how temperature varies with altitude. Show clearly the location of the tropopause, stratopause and mesopause. (ii) Briefly explain the
What is Pedology Pedology is concerned with the study of the composition, distribution and formation of soils as it occurs in nature. On the other hand edaphology is the study
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