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Semi-synthetic polymers
Rayon and other cellulose derivatives such as cellulose nitrate, cellulose acetate so on, are semi-synthetic polymers. These illustrated as thermoplastic polymers. Viscose rayon in the kind of a thin transparent layer is termed as cellophane. Cellophane is turns into softer with glycerol. Not similar to plastic sheets it takes up water.
Preservatives: The preservatives avoid spoilage of food because of microbial expansion. The most common preservative employed is sodium benzoate; C 6 H 5 COON a It is metabol
Why phenol can also be prepared from chlorobenzene(Dow''s process)
various concepts of acid and base
Q. Show the Halides of Aluminium? All the four trihalides of aluminium, i.e. AIF 3 , AICI 3 ,, AlBr 3 , and AlI 3 , are known. AIF 3 , is made by treating Al 2 0 3 with HF ga
Electrolytes are compound containing: (1) Electrovalent bond (2) Covalent bond (3) Coordinate bond (4) Hydrogen bond Ans: Electrovalent bond
Polyhydroxy butyrate (PHB) Polyhydroxy butyrate or PHB is acquired from hydroxy butyric acid (3-hydroxy butanoic acid)
Write chemical equations 1 the reactions involved in the manufacture of potassium permanganate from pyrolusite ore What are enantiomers? Draw the structures of the possible e
what is tyndall effecet? can you give an example
Q. Show the Occurrence of Metals? Earth's crust and sea are the two main sources of metals. In the earth's crust metals occur both in the combined state in the form of minerals
Which kind of volcano is the most destructive? Well each type of volcano can be very destructive and if you are talking in human loss of life terms than the answer is any type
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