POLYMER CHEMISTRY

The word polymer is of ......... origin

• India

• Greek

• China

• England

Protein polymers are mad from.....

• Petroleum

• Ethylene

• amino acid

• Propylene

Tags

NGSS.HS-LS1-6

Carbohydrate polymers include..

• Cellulose

• Lignin

• Chitin

• All of the above

Find the odd one out

• DNA

• Silk

• Plastic

• enzymes

The chemicals used in the reyon manufacturing are..

• Sodium hydroxide

• Carbon disulphide

• Diluted sulphuric acid

• All of the above

Which one of the following is not the polyester?

• Polycot

• Polywool

• treeycot

• acrylic

Tags

NGSS.MS-PS1-3

Ram placed hot water into an empty water bottle the water bottle keeps it shape and does not get softened. What type of plastic is the water bottle made from?

• Thermoplastic

• PVC

• Polyurethane

• Thermosetting

Tags

NGSS.HS-PS2-6

which one of the following is not the thermoset plastic?

• PET

• Bakelite

• Melamine

• Vulcanized Rubber

Tags

NGSS.HS-PS2-6

Which one of the following is the bioplastic?

• PET

• PVC

• PLA

• LDPE

Raja is working with fire. He is advised not to wear clothes made of synthetic fibre.why?

• They are uncomfortable

• The melt on heating and cause heavy burns

• They do not absorb moisture

• They are shining and lustrous.

Tags

NGSS.MS-PS1-4