'.MPG' extension refers usually to what kind of file?
WordPerfect Document file
MS Office document
Animation/movie file
Image file
The most abundant rare gas in the atmosphere is
He
Ne
Ar
Xe
The Latin word formica means ant. The name formic acid is derived from this Latin word because
this acid, in ancient times, was used to eliminate ant-hills
this corrosive acid is secreted by ants to drive away their enemies
this acid was first obtained by the distillation of ants
ants are attracted by the odour of this acid
The ore which is found in abundance in India is
monazite
fluorspar
bauxite
magnetite
The inherited traits of an organism are controlled by
RNA molecules
nucleotides
DNA molecules
enzymes
The heat energy produced when the human body metabolises 1 gram of fat is
30 KJ
1 KJ
39 KJ
29 KJ
The number of moles of carbon dioxide which contains 8 grams of oxygen is
0.5 mole
0.2 mole
0.4 mole
0.25 mole
The main use of salt in the diet is to
make the taste of food better
produce in small amounts the hydrochloric acid required for the digestion of food
ease the process of cooking
increase the solubility of food particles in water
The monomer of polythene is
vinyl chloride
ethylene
ethyl alcohol
None of the above
The luster of a metal is due to
its high density
its high polishing
its chemical inertness
presence of free electrons