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Uses
1) Ammonium carbonate is used as a smelling salt. 2) It is used in baking power. 3) It finds use in dyeing industry. 4) It is used as a laboratory reage..
Uses of Dihydrogen
It is used as a reducing agent in industry and laboratories. It is used to prepare hydrogenated vegetable oils. It is used for welding purposes in both the oxy-hydrogen torch and the atomic-hydrogen torch, when temperatures of the order of 2500C and 4000C are required re..
Uses
1) The ammonium chloride salt is used for cleaning metal surfaces before soldering, tinning etc. The metal is first heated and rubbed with ammonium chloride. The ammonia formed removes grease, oil etc. and the hydrogen chloride removes the oxides of metals. 2) Ammonium chloride is used in the manu..
Amides - Preparation
Amides are generally prepared by the reaction of acyl chlorides or anhydrides with ammonia or amine..
Corrosion of Metals
. The major problem of corrosion occurs with iron (or steel) as it is used as a structural material in industries like construction, infrastructure, bridges, rail transport power transmission, shipbuilding, automobiles, heavy industries etc. Aluminium, another useful structural ..
Uses of Sulphuric acid
In the manufacture of fertilizers, ammonium phosphate and calcium super phosphate. In the manufacture of rayon and nylon and also in the preparation of dyes and drugs from coal tar derivatives. In the manufacture of the explosives such as Tri-nitro toluene , Tri-nitro glycerine and picric a..
Uses of Sulphuric Acid
1) In manufacture of fertilizers Sulphuric acid is used in the manufacturing process of fertilizers such as ammonium sulphate, super phosphate of lime, etc. 2) In chemical industry It has a wide variety of use in the chemical industry. It is used for the manufacturing of hydroch..
Safety Precautions
. Thus, they are not likely to do much damage unless they enter the body on contaminated food etc. b - particles have a greater range, but they too are easily absorbed and a Perspex screen may be used as protection. g - rays are most dangerous because of their high penetrating power, and great care..
Introduction
Processes by which substances are transformed to one or several products are called chemical reactions. Chemical processes that occur in the presence of light, like sunlight, are called photochemical reactions. These processes can occur naturally or under controlled conditions in the laborator..
Summary
>It is used in the sugar industry for decolorizing sugar, for bleaching delicate articles, as a preservative for wines, meat, dry fruits etc., for refining kerosene and petroleum products. When sulphur dioxide reacts with oxygen in presence of a catalyst such as platinum or vanadium pento..
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