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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.
Crystal Structure of Clays Most clay minerals have two types of basic structural units - tetrahedral and octahedral. The tetrahedral unit is 4- 4 SiO in which silicon
The Assignment (1–2 pages): Complete the following: For context, provide a brief description (less than 100 words) of your media example (e.g., My media example is an adverti
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Scientific and Technical Achievements of Bronze Age: The major technical advance that accompanied the rise of cities was the discovery and use of metals, particularly coppe
Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
Control of soil erosion: The most significant measures of erosion control include (i) growth of grasses, shrubs and trees on soils and (ii) construction of a drainage system w
Define the term - Soil Flora Higher plants are, by and large, the most important group of primary producer organisms in the whole soil. The continuous decay of plants and plant
1. A cyclist ascends a hill of height 120 meters. The mass of cyclist plus bicycle is 100 kilograms. His efficiency is 25%. How many Calories does he burn? 2. A hiker in the Swi
Explain Pneumothorax - Histotoxic Hypoxia It is a collection of air or gas in the chest or pleural space that causes a part or all of a lung to collapse. Due to the rupture of
Conservation of mineral resources: Mineral reserves are present in a limited quantity and they can be exhausted. At the present rate of consumption many of them will not last
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