Which is made by mixing cement and sand in the raio of 1:3 and enough water to make a thick paste?
Cement Mortar
Concrete
Rainforced concrete
Quick setting
The solid part of the earth crust is
Lithosphere
hydrosphere
atmosphere
mantle
Chemicals made by the body's gland is
hormones
analgesics
anaesthetics
tranquilizers
An alkaloid used in the treatment of peptic ulcer is
atropine
quinine
strychnine
morphine
Which render the patient unconscious?
diuretics
Which is an amorphous and transparent or translucent substance obtained by solidification of a mixture of silicates of different metals, one of which is always an alkali metal?
glass
concrete
cement
plastic
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 is the outer shell of the Earth?
crust
core
minerals
A type of cement used for the construction under water and repairs of canal breaches is
Slow setting
medium setting
quick setting
The sticky substances obtained from plants or manufactured by means of complicated chemical processes are
resins
