PLASTIC FOR 8TH GRADE

What are plastics and synthetic fibres made from?

• Coal

• PETROLEUM

• CRUDE OIL

What natural polymer is made up from thousands of glucose monomers joined together?

• COTTON

• PLASTIC

• SILK

IS PLASTIC IS BIODEGRADABLE OR NON BIODEGRADABLE

• BIODEGRADABLE

• NON BIODEGRADABLE

THE PLASTIC WHICH IS PLACED IN HOT WATER AND IT GET DEFORMED AND BENT EASILY WHICH PLASTIC IS IT

• THERMOPLASTICS

• THERMOSETTING PLASTICS

WHICH ARE THE TWO EXAMPLES OF THERMOSETTING PLASTIC

• BAKELITE AND MELAMINE

• TOYS CONTAINERS

WHICH ON RESISTS FIRE CAN TOLERATE HEAT

• MELAMINE

• BAKELITE

PLASTIC IS POOR CONDUCTOR TRUE OR FALSE

• TRUE

• FALSE

MELAMINE IS USED FOR MAKING

• FLOOR TILES KITCHEN WARE

• CONE

• TOYS

• CONTAINERS

THERMOPLASTIC IS FOR MAKING

• TOYS CONTAINERS

• CONE AND FLAX

• KITCHEN WARE

• POLYTHENE

BAKELITE IS USED IN

• ELECTRIC SWITCHES

• KITCHEN WARE

• HANDLES OF UTENSILS