A synthetic material widely used for domestic and industrial purposes is
clay
cement
plastic
glass
A type of cement used for ordinary masonry work?
Concrete
medium setting
quick setting
slow setting
A chemical to hold the pigment in place is
solvent
binder
pigment
Which reduce tension and worry?
analgesics
anaesthetics
diuretics
anti-depressants
What is the gaseous part of earth crust?
lithosphere
hydrosphere
atmosphere
mantle
The alkaloid present in Nux vomica is
quinine
strychnine
atropine
aconite
The raw materials for the production of cement are
lime stone and clay
lime stone and concrete
lime stone and sodium
sodium and calcium
Which are used to lesser pain by preventing the conduction of nerve impulses?
anaesthetic
Paint thinners are
solvents
binders
pigments
talc
An alkaloid present in tea is
caffeine
