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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.
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
Foam extinguishers : If the burning liquid is in a container the jet should be directed at the inside edge of the vessel or at a vertical surface in order to break the jet and al
Define the Non-Excretory Functions of Kidney Though the major contribution of the kidneys, as you have learnt so far, is to form urine and to maintain the constancy of internal
define carbohydrates.give a brief account on classification of carbohydrates.
Objectives After studying this unit, you should be able to: 1. explain the need for reporting lab accidents, 2. state the accident reporting procedure, 3. list the
What are decomposers in a temperate deciduous forest? In the Deciduous Forest, many decomposers that are living there contain fungi, bacteria, and yes, even worms.
Human factor engineering: With the advances in science and technology, we have to constantly interact with machines and engineering systems. The range is wide, whether it is
difference between holozoic mode of feeding holophytic
Define Procedure for Estimation of Iron in the Solution? Carry out the experiment following the steps enumerated herewith: 1. Weigh 702 mg of reagent grade ferrous ammonium
what is potential energy
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