Class XI

 When Sodium Hydroxide (NaOH) reacts with Copper Sulfate (CuSO4), spectator ions will be
  1. Sodium and copper
  2. Copper and hydroxide
  3. Sodium and sulfate
  4. Sulfate and hydroxide
 Elevation of boiling points occur due to
  1. Presence of impurities
  2. A reduced pressure
  3. A high pressure
  4. Lower rate of evaporation
Graphite is a good conductor of electricity due to
  1. Strong electrostatic bonding
  2. Free localized bonds
  3. Free delocalized electrons
  4. tetrahedral arrangement of particles
Acid salt formed by Phosphoric acid and sodium phosphate is
  1. Sodium hydrogen phosphate NaHPO4
  2. Sodium dihydrogen phosphate NaH2PO4
  3. Sodium trihydrogen phosphate Na2H3PO4
  4. Sodium tetrachloro phosphate NaCH4Cl4
Distillate is a liquid that
  1. Mixes together
  2. Condenses after distillation
  3. Does not sink due to very fine particles
  4. A substance that will not dissolve
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