Class XI

 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
Bonding structure refers to the
  1. Elements forming it
  2. Arrangement of electrons
  3. Arrangement of resulting particles
  4. Water of crystallization
S is symbol of
  1. Silver
  2. Sodium
  3. Sulphur
  4. Selenium
 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
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