Class XI

Bonding structure refers to the
  1. Elements forming it
  2. Arrangement of electrons
  3. Arrangement of resulting particles
  4. Water of crystallization
 Liquids that do not mix and can be separated in a separating funnel are called as
  1. Miscible
  2. Residue
  3. Sublimate
  4. Immiscible
Covalent compounds readily become soluble in
  1. Polar solvents
  2. Non-polar solvents
  3. Dipole solvents
  4. Salt solutions
 In a dry cell, function of zinc casing is to
  1. Act as negative electrode
  2. Act as positive terminal
  3. To hold carbon rod
  4. To act as electrolyte
S is symbol of
  1. Silver
  2. Sodium
  3. Sulphur
  4. Selenium
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