The boiling point of liquids vary as
pressure varies
temperature varies
volume varies
volume varies
Bubbles of air rise up through liquids due to
Surface tension and adherence
Viscosity and buoyancy
Air current over the liquid and buoyancy
Air current over the liquid and buoyancy
The green colour seen in firework displays is due to the chloride salt of
strontium
barium
sodium
sodium
The largest source of pollution in the world is
Herbicides and insecticides
Automobile exhausts
Sewage and garbage
Sewage and garbage
The branch of medicine involving synthetic chemical compounds is
ayurveda
allopathy
homoeopathy
homoeopathy
The most serious air pollutant causing health hazard is
Sulphur dioxide
Carbon monoxide
Ozone
Ozone
Kautilya's 'Artharshastra' mainly deals with
economic doctrines
social aspects
political state craft
political state craft
Rainbows are produced by when sunlight
incident on rain drops hanging in the atmosphere is dispersed after suffering refraction
incident on rain drops hanging in the atmosphere is dispersed after suffering reflection
incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection
incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection
Acid rain is caused due to pollution of atmosphere by
oxides of nitrogen and sulphur
oxides of nitrogen and phosphorus
oxides of carbon and nitrogen
oxides of carbon and nitrogen
