Q. First non-crease fabrics were made by help of

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Q. Manufacture of polyesters involves reaction of

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Q. Polyester made by on single type of monomer, lactic acid (C₃H₆O₃) is called

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Q. The addition of polymers functional groups may be present at/with the

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Q. Additional polymerization will have monomers with no repeating functional units in the actual chain which forms

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Q. Large molecules made up of small monomers are called

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Q. In additional polymerization, a monomer with double bond will simply

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Q. Using more than one type of unsaturated monomer will produce a

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Q. Further addition of ethanol will lead to the different product as

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Q. Secondary alcohol forms ketone and water by reacting with

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Q. Primary alcohol is gently heated to produce aldehyde in presence of solution of acidified

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Q. Diamond form of Carbon does not conduct electricity due to the absence of

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Q. A very small amount of electrical conductivity is measured in

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Q. Elements with giant molecular structures and strong covalent bonds include

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Q. Tin and lead have same metallic structure at

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Q. In Group-IV, melting point decreases

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Q. Under standard conditions common metallic form of tin is

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Q. Acidic foods are mostly preserved with the help of a solution made from

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Q. Sulfur compounds are present as impurities in

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Q. Acid rain falls in streams, rivers, lakes and makes them

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