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Poisonous and Infectious Substances : These are the substances liable to cause death or serious injuries to health, if swallowed or inhaled or allowed to come in contact with skin. Infectious substances are those contaminated with disease inducing micro-organisms. The examples of poisonous substances are, pesticides, tetraethyllead and many drugs etc. The contaminated hospital wastes, strains of pathogens etc. Are considered infectious substances.
What do all optical instruments and devices have in common?
Acute and Chronic Effects : The effects of accidents due to chemicals are severe and immediate on the human body. These effects are called acute effects and can be traced without
Use of natural resources: you studied about various natural resources such as land, water, soil, minerals etc. You know that these resources are limited and precious. Therefore
Niacin (vitamin B3) Though niacin or nicotinic acid has been known to the organic chemists since 1867 and Funk isolated it from yeast and rice polishing in order to identif
Q. How is harvest maturity identified? Maturity indices can be determined on the basis of : Number of days from setting, Sight-colour, size and shape, Touch-texture, hardness o
The rain cycle You can reproduce the rain cycle in miniature in your classroom. Place a box of plant seedlings on the table. Place a metal tray about 35 to 40 cm above the box
how can i solve the problems
How would I give a presentation to the public on the use of Malathion as a means to control mosquitos
Alternative feed ingredients for non-ruminants
A look at Microwave Processing The first thing which comes to our mind while on the topic of microwave processing is what microwaves are? Microwaves are basically electromagne
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