Class X

PH of water is
  1. 8
  2. 3
  3. 2
  4. 7
Which of the following does not form an acidic salt?
  1. Phosphoric acid
  2. Carbonic acid
  3. Hydrochloric acid
  4. Sulphuric acid
Which one of the following is acidic?
  1. lemon juice
  2. tomatoes
  3. milk
  4. all
Bronsted-Lowery acid in reaction H2O + NH3 NH+ 4 + OH- is
  1. H2O
  2. NH3
  3. OH-
  4. NH+4
HCl reacts with NaOH to form salt and water, this reaction is called
  1. ) Precipitation reaction
  2. Neutralization
  3. Redox reaction
  4. Combination reaction
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