Q.1
In groupelements as we move down the road atomic radii
  • Increases
  • Decreases
  • Remain same
  • None of the above
Q.2
In groupelements as we move down the group
  • Non metallic character increase
  • Metallic character increase
  • Both
  • None the above
Q.3
Nitrogen and phosphorus are
  • Non metals
  • Metals
  • Metalloids
  • None of the above
Q.4
Bismuth is a
  • Metalloids
  • Non metal
  • Metal
  • None of the above
Q.5
Maximum covalency of nitrogen is
  • 6
  • 8
  • 9
  • 4
Q.6
P-block elements are those elements in which last electron enters in
  • P ortibal
  • S orbital
  • d orbital
  • None of the above
Q.7
2NH3 + NaOCl
  • N2H4 + NaCl + 2H2O
  • N2H6 + NaCl + H2O
  • N2H4 + NaCl + H2O
  • N2H6 + NaCl + 2H2O
Q.8
Pb3O4 + 4HNO3
  • 2Pb(NO3)2 + 2PbO2 + 2H2O
  • 2Pb(NO3)4 + PbO2 + 2H2O
  • Pb(NO3)2 + PbO2 + 2H2O
  • 2Pb(NO3)2 + PbO2 + 2H2O
Q.9
2Na2S2O3 + I2
  • Na2S4O6 + 2NaI
  • NaS4O6 + 3NaI
  • Na2S4O6 + Na2I2
  • Na4S4O6 + 2NaI
Q.10
2MnO2 + 2H2SO4
  • 2MnSO4 +2H2O + O2
  • 2MnSO4 +H2O + 2O2
  • 2MnSO4 +3H2O + O2
  • MnSO4 +2H2O + O2
0 h : 0 m : 1 s