CHAPTER WISE QUIZ

Love for God includes

• Obeying his commands

• Following traditions and rituals

• Sacrificing animals when one sins

• Being perfect every day

Name the plastic used for making water pipes

• Polythene

• PVC

• Acrylic

• Bakelite

Select 2 polyester fibres

• Polythene

• PET

• Terylene

• Melamine

Cooking pans have plastic handles because

• They are light, durable and strong

• They are non- reactive

• They are poor conductors of heat and electricity

• They do not catch fire

Silk fibre is obtained from silk worm whereas artificial silk is obtained by the chemical treatment of _______________.

• paper pulp

• Rayon

• Coal, air and water

• wood pulp

Iron rusts when it is exposed to ______________ and _____________.

• Air, Water

• Air, Fire

• Oxygen, Fire

• Fire, Water

Special cookwares are used in microwave ovens for cooking because

• They have non - stick coating

• The heat cooks the food but does not affect the plastic vessel

• They are fire resistant

Which of the following have more tensile strength ?

• silk

• nylon

• rayon

• spandex

PET is a plastic form of _______

• rayon

• nylon

• polyester

• spandex

_________ is the first fully synthetic fibre.

• Acrylic

• Polyester

• Nylon

• Rayon