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FIRE HAZARDS IN THE LABORATORY : The average science laboratory is a particularly hazardous area when it comes to fire. Flammable liquids, compressed and liquefied gases, hazardous and reactive materials, are all either in use or in store in the laboratory. In addition, there are many sources of ignition available. Before you learn about the major causes of fire, let us see in the following subsection the factors that are required for fire to burn.
A compressed air pop-gun Use a straight piece of glass or plastic tubing of 1 or 2 cm in diameter and 15 or 20 cm in length. Make a piston by twisting some string on a pencil t
Explain Control of Our Heart through Nerves When we exercise in the mornings, the heart beats faster and when we sleep at night, it slows down. Have you ever wondered how does
Define Creatine in Urine Normal urine contains little or no creatine. Some may be found during menstruation, pregnancy and childhood. Urine creatine is considerably increased i
Use the following procedure for fire fighting. (1) Always take a position between the fire and the exit so your escape route cannot be cut off. Fire extinguishers should always
what is atom
INTRODUCTION : In this unit, we introduce you to the fundamental of personal safety code in a laboratory. If you do not have safe laboratory practice, your life and those of your
Using what you know about the energy—matter relationship, explain why the ecosystems with the greater amount of overall energy tend to have a greater number of organisms.
Use the particle theory to explain conduction
which two body systems control movement of digestive organs?
Pulse products: The important processed pulse products are puffed chickpea and pea, besan, papads, pulse-based weaning foods, quick cooking dhals, and canned dry peas Oils
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