what is the major toxicity of polyvinyl chloride  (PVC) containers  ?Question 9Select one:A.all of the aboveB.liver toxicityC.kidney toxicityD.lung toxicity

The term PVC used in the plastic industry stands forA) Polyvinyl chloride B) Polyvinyl carbonateC) Phosphors vanadium Chloride D) Polyvinyl carbocarbonate2- The material that can be deformed permanently by heat and pressure iscalled aA) Polymer B) ThermoplasticC) Chemical Compound D) Thermoset3- Valency of Hydroxide ion (OH) isA) -1 B) -2C) -3 D) 14- Atmosphere contains dust particles, salt grains, pollen grains, smoke,etc. which are collectively known as :A) Water vapour B) OzoneC) Aerosols D) CFC5- The Formula of Sodium Hydroxide isA) Na(OH)2 B) NaOHC) Na2(OH)3 D) Na2OH

Polychlorinated biphenyls:Question 13Select one:a.are POPs.b.break down easily in the environment.c.are endocrine disruptors.d.Both A and C

What does PVC make when heated too hot in a plastic process?     a. Esteric acid b. Charcoal c. Polyester d. Hydrochloric Acid

PVC is obtained by polymerization ofSelect an answerACH2=CH-CH2ClBCH2=CH-ClCCH3-ClDCH3-CH2-Cl2

Which two toxic substances are known to cause chloracne? Group of answer choicesCadmium and AsbestosLead and MercuryBenzene and RadonDioxins and PCB’s