The alkaloid present in the roots of ipecac is
emetine
atropine
aconite
strychnine
Which contain antibodies rather than substances that cause the body to produce antibodies?
Vaccine
antiserums
antibiotics
sulfa drugs
The cement is mixed with gravel and sand to form
limestone
clay
mud
concrete
Which is used in the manufacture of high quality glass apparatus and cooking utensils?
Hard glass
Crooke's glass
Pyrex glass
Flint glass
What is the gaseous part of earth crust?
lithosphere
hydrosphere
atmosphere
mantle
A water based paint commonly used for painting indoor surfaces is
emulsion paints
acrylic emulsion
oil based paints
industrial paints
Who discovered cement?
Carl scheel
Joseph Aspdin
Joseph Priestley
Rutherford
A compound that gives a long lasting distinctive colour to textiles is
solvent
mordant
dye
binder
Which is used in combustion tube and chemical apparatus?
Soft glass
Which is the most abundant element in the earth's surface?
Aluminium
Oxygen
Hydrogen
Silicon
