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Chemical reactivity : The substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert them into nonreactive form before running into the drainage.
Example: Sodium metal.
Those substances which generate heat on mixing with water are treated carefully with large quantity of water in a safe area.
Example: Calcium oxide.
Acidic chemical wastes are first treated with large quantity of sodium carbonate anddhen with a large quantity of water. The treatment with sodium carbonate neutralises the acid since the former is a base.
Types of Diseases As we have indicated above. there are diseases,that a person is born with, for example, a baby may have a defective heart at the time of its birth. Then t
The debris resulting from mountaintop removal mining is Answer A. dumped into valleys and streams below B. ground and combined with cement to make concrete C. resold as soil
where from discover world
Air pollution by Carbon monoxide: Carbon monoxide is produced when organic materials such as gasoline, coal, charcoal, and trash are incompletely burnt. Virtually all stoves,
Requirements Cell holder - 1 Bulb holder - 1 Wire - 1 Bulb (2.0 V) - 1 Cells (1.5 V) - 2 Plug (6/ 16 A) - 1 Screw driver - 1 Crocodile clips - 4 pair
To show that soil contains air:- Place some soil in a glass jar or bottle and slowly pour water over it. Observe the air bubbles that increase by the water from the soil.
life span of a roundworm
how do plates make there own food
how effective is the LION KING movie in meeting the standards that relate to how energy flows through an ecosystem and how earth is inter connected?
Explain the Spinal Nerves As mentioned earlier, there are 31 pairs of spinal nerves that leave the vertebral canal by passing through the intervertebral foramina formed by adja
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