Class XI

inhibitors
  1. Its exact temperature
  2. Temperature slightly above its boiling point
  3. A temperature below its boiling point
  4. Under high pressures
Chemical substances slowing rate of chemical reaction is called as
  1. Pressure
  2. Concentration
  3. Catalysts
  4. Inhibitors
In Universal indicators, a pH of 4 to 7 indicates
  1. Strong acids
  2. Weak acids
  3. Weak alkalis
  4. Strong alkalis
H2SO4 is formula of
  1. Sulfatic acid
  2. Sulfuric acid
  3. Sulfurous acid
  4. Hydrogen Sulfide
Expression of ratio of combining number of atoms or ions is called as
  1. Valency
  2. Exponential notation
  3. Formula
  4. Isotopic charges
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