Class XI

 Anodic oxidation refers to the
  1. Loss of electrons at anode
  2. Gain of electrons at cathode
  3. Loss of electrons at cathode
  4. Gain of electrons at anode
Optimal temperature for enzymes is
  1. Room temperature
  2. 35-37 °C
  3. 40-45 °C
  4. above 45 °C
Approximate volume can be measured through
  1. Volumetric flask
  2. Burette
  3. Measuring cylinder
  4. Beaker
Sea water has a pH of
  1. 5
  2. 8
  3. 9
  4. 11
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