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Hazard Identification : Each United Nations hazard class (with the exception of class 9) has a distinctive diamond shaped label bearing a pictogram for quick hazard recognition. Figure gives a colour chart for all the classes and subclasses.
Each label has a characteristic background colour. These colours convey the nature of different chemical substances as given below.
Colour Nature
Orange Explosive
Red Flammable
Blue Water reactive
Yellow Oxidiser
White Toxic or Infectious
White or Yellow and White Radioactive
Black and White Corrosive
All the classes are discussed briefly in the following paragraphs.
Ship-building: The shipbuilding industry in the seventeenth century. witnessed far-reaching changes that mainly resulted from imitating European techniques. The Indian sea-g
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How the Acid/Base Balance is maintained in an Acid Diet? Let us first see how the acid/base balance is maintained in an acid diet. The sequence of steps involved includes: 1
which is the heaviest matter in the world
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Calculate the power of a light bulb that uses 36J of electrical energy in 6 seconds.
WERE IS IT IN THE BODY
Vitamins: You are, probably, familiar with the names of some of the vitamins. They can be obtained from plant and animal foods. Vitamins are required in small amounts and their
can you explain to me the mohs hardness scale ?
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