Chemistry, 20.10.2021 14:00 Juliianatafur22
Polyesters and polyamides are types of synthetic polymer. Which statements are correct? 1. They are made by addition polymerisation. 2. They are made by condensation polymerisation. 3. The monomers from which they are made are unsaturated hydrocarbons. 4. The monomers from which they are made contain reactive functional groups at their ends A. 1 and 3 B.1 and 4 0.2 and 3 D.2 and 4
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Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
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Polyesters and polyamides are types of synthetic polymer. Which statements are correct? 1. They are...
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