Class XI

In solution, acids
  1. Become ionic
  2. Cannot act as covalent
  3. Become electrolyte
  4. All of these
Apparatus used for very accurate measurements include
  1. Pipette
  2. Burette
  3. Beaker
  4. Both A and B
Symbols for Elements
  1. Lead
  2. Phosphorous
  3. Platinum
  4. Palladium
 Oxidation is also referred to as
  1. Combustion
  2. Respiration
  3. Transpiration
  4. Both A and B
 In writing chemical equations, inclusion of state symbols shall be done while
  1. Correct chemical formulae of reactants and products are written
  2. Equation is being balanced to fulfill law of conservation of mass
  3. Equation has been balanced
  4. Chemical formulae of products and reactants have been changed to bring about quick balancing
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