Class IX

. If liquid is heated to increase kinetic energy then liquid will
  1. evaporate slowly
  2. evaporate faster
  3. will not evaporate
  4. boil
An ordered, repeating three dimensional arrangement of particles makes up a
  1. crystalline solid
  2. amorphous solid
  3. can be both A and B
  4. none of above
Process in which solid changes directly in to vapors without changing in liquid state is called
  1. condensation
  2. evaporation
  3. boiling
  4. sublimation
A gas that shields living things on surface of earth from harmful UV radiation is
  1. N2
  2. SO2
  3. O2
  4. O3
. In graphite carbon atoms are arranged in layers of
  1. pentagonal arrays
  2. heptagonal arrays
  3. octagonal arrays
  4. hexagonal arrays
Time Elapsed

Question Answered
Score out of 100

Get Started!

we provide the best
services to our students Views


LKG - 12th

Rs 1,999  Annual