Which of the following does not contain double bond

(a)

CO₂

(b)

C₂H₄

(c)

HCl

(d)

O₂

Raagav brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of

(a)

Polystyrene

(b)

PVC

(c)

Polypropylene

(d)

LDPE

Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

(a)

Plastic sheets

(b)

Plastic tea cups

(c)

Plastic water packets

(d)

All the above

The lead pencil contains

(a)

Graphite

(b)

Diamond

(c)

Lead

(d)

Charcoal

Plastic resin codes are shown as three chasing arrows in a ______________ with a number in the middle or letters (an acronym of that plastic type).

(a)

Logo

(b)

Recycling symbol

(c)

Square

(d)

Triangle