![]() Rinse well.First published 1988 by Bloomsbury Publishing Plc Second edition published 1995 Third edition published 1997 This combined edition published 2007 by A&C Black Publishers Ltd, 38 Soho Square, London W1D 3HB © A&C Black Publishers Ltd. Lather both sides of your hands and between your fingers when HAND WASHING. Follow the DISPOSAL instructions from your teacher. Only test an odor when directed to do so by your teacher, and use a wafting motion to direct the vapor toward your nose.Ĭhemicals and other used materials must be disposed of safely. When poisonous or unpleasant vapors may be involved, work in a ventilated area. Make sure NO FLAMES, sparks, or exposed heat sources are present. Follow instructions from your teacher about lighting and extinguishing flames.įlammable materials may be present. You may be working with FLAMES from a Bunsen burner, candle, or matches. Wash your hands when you are finished with the activity. Disconnect the equipment when it is not in use.Īvoid getting acids or other CORROSIVE CHEMICALS on your skin or clothing, or in your eyes. Be sure cords are untangled and cannot trip anyone. Never use electrical equipment around water, or when equipment is wet or your hands are wet. Dispose of the gloves according to your teacher’s instructions at the end of the activity.Īvoid the possibility of ELECTRIC SHOCK. ![]() Wear disposable PLASTIC GLOVES to protect yourself from chemicals or organisms that could be harmful. Wear a LABORATORY APRON to protect your skin and clothing. The chemical element of atomic number 48, a silvery-white metal.Ī thin cylinder of finely cut tobacco rolled in paper for smoking.Ī dark, thick flammable liquid distilled from wood or coalĪ solid material which is typically hard, shinyĪlways wear SAFETY GOGGLES to protect your eyes in any activity involving chemicals, flames, or heating, or the possibility of broken glassware. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells.Ī colourless, odourless toxic flammable gas formed by incomplete combustion of carbon.Ī colourless liquid hydrocarbon present in coal tar and petroleum and used as a solvent and in organic synthesis.Ī synthetic organic compound used as an insecticide.Ī colourless volatile liquid ketone made by oxidizing isopropanol, used as an organic solvent and synthetic reagent. The chemical element of atomic number 33, a brittle steel-grey semi metal.Ī colourless gas with a characteristic pungent smell, which dissolves in water to give a strongly alkaline solution.Ī toxic colourless or yellowish oily liquid which is the chief active constituent of tobacco. A small pellet of a pungent substance, typically naphthalene, put in among stored garments to keep away clothes moths.Ī toxic, colourless, volatile flammable liquid alcohol, made chiefly by oxidizing methane.Ī volatile white crystalline compound produced by the distillation of coal tar, used in mothballs and as a raw material for chemical manufacture.Ī highly poisonous gas or volatile liquid with an odor of bitter almonds, made by the action of acids on cyanide.Ī flammable hydrocarbon gas of the alkane series, present in petroleum and natural gas.
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