Carbon is found
in which of the following?
a) plants
b) animals
c) all living things
d) fungi
How much percentage of our body is made up of carbon?
a) 3%
b) 10%
c) 11%
d) 18%
In which of the following, carbon is used?
a) fuel and plastics
b) paints and tools
c) lead pencil
d) all of these
Carbon as ……..used in jewelry.
a) graphite
b) diamond
c) soot
d) coke
Hydrogen:
Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element.
Which of the
following element is most abundantly found in the universe?
a) Hydrogen
b) Oxygen
c) Nitrogen
d) carbon
