Class XI

An ionic equation chemical reaction
  1. Symbolically represents all ions in the
  2. States of reactants and products are mentioned as transcripts
  3. Aqueous elements are shown as ions it produces in solution
  4. All of these
An impure substance
  1. Lowers boiling point
  2. Increases boiling point
  3. Lowers melting point
  4. Increases melting point
All of these radicals have a valency of -1, except
  1. OH
  2. SO4
  3. NO3
  4. HCO3
Acids react with metal oxides to form
  1. Salt and Nitrogen
  2. Salt and hydrogen gas
  3. Salt and oxygen
  4. Salt and water
 Basic oxides neutralize
  1. Water
  2. Acids
  3. Non-metal oxides
  4. Hydroxonium ions
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