_________ can be both homogeneous as well as heterogeneous.
Mixture
Pure substances
Elements
Distilled water
_____________compound contains carbon essentially.
Organic
Inorganic
Nitrogen
Hydrogen
Calculate the amount of carbon dioxide that could be produced when 1 mole of carbon is burnt in air.
44g
43g
40g
38g
What is the SI unit of mass?
kg
mg
lg
cm3
NH3 is
Diatomic
Monoatomic
Triatomic
None of these
Example of homogeneous mixture.
Air
Water
Salt solution
none
________mixtures are those Which have same composition throughout.
Homogeneous
Different
None
Which of the following is/an pure substance.
Blood
Carbon
Steel