Which are used to lower body temperature ?
Analgesics
Antiseptics
Antacids
Antipyretics
Which plastic is used for making insulation (covering) of electric wires?
PE
PS
PVC
Nylon
Which are used to reduce pain ?
Antibiotics
The chemical known as thimerosal has been used to preserve saline solutions and vaccines .Thimerosal contains which metal ?
Iron
Cadmium
Mercury
Silver
Which of the following plastic objects can be recycled?A. Electric socket B. Polythene bag C. PVC pipe D. Ashtray
A and B
B and C
A and D
C and D
A substance which has less elasticity is
Thiocol
Neopreen rubber
Ebonite
Styrene butadyne rubber.
Which is a thermoplastic?
Polythene
Bakelite
phenolic resin
epoxy resin
Which of the following plastics is used for making electric switches ?
Teflon
Melamine
PET
To control the setting time , which is added to the cement?
gypsum
water
gravel
sand