Class XI

Period number indicates the
  1. Number of neutrons
  2. Number of valence electrons
  3. Number of electron shells
  4. All of these
If nucleon and proton number of manganese is 24 and 12 respectively, number of electrons and protons will be
  1. 36,12
  2. 12,12
  3. 24,24
  4. 12,24
For an overhead power cable, preferable metal conductor is
  1. Steel
  2. Aluminum
  3. Mercury
  4. Graphite
Melting point of water is
  1. 0 °C
  2. −210 °C
  3. −78 °C
  4. 20 °C
According to collision theory, increase in temperature increases
  1. Kinetic energy of reactants
  2. Heat energy of reactants
  3. Both A and B
  4. Humidity in air
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP