- (A) Magnesium & potassium compounds
- (B) Common salt
- (C) Bromine
- (D) Iodine
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- (A) PVC
- (B) Silicone
- (C) Polyurethanes
- (D) Polyamides
- (A) Do not soften on application of heat
- (B) Are heavily branched molecules
- (C) Are solvent insoluble
- (D) None of these
- (A) Avoid mechanical weakening of fibre
- (B) Remove lignin by way of crystallisation
- (C) Increase the cellulose content
- (D) None of these
- (A) Ca(OH)2
- (B) C2H2
- (C) CO2
- (D) CaCO3
- (A) 3
- (B) 12
- (C) 22
- (D) 0.3
- (A) Simply boiling
- (B) Adding alum
- (C) Passing it through cation & anion exchangers
- (D) All (A),
- (A) Unsaturated fat
- (B) Starting material for the production of iodine
- (C) By-product of chlor-alkali industry
- (D) None of these
- (A) Average degree of polymerisation of the polymer is 1966
- (B) Number of carbon atoms between two nitrogen atoms are 6
- (C) Number of nitrogen atoms between two carbon atoms are 6
- (D) Polymer was first synthesised in 1966
- (A) Coke
- (B) Ammonia
- (C) Tar
- (D) Phenol
