Class XI

Battery is
  1. 99.5% pure copper
  2. Collection of cells
  3. Pure lead
  4. Pure zinc
In gases, particles are
  1. Very close together
  2. Father apart
  3. Farthest apart
  4. Possessed with least kinetic energy
Particles are farthest apart in
  1. Solids
  2. Liquids
  3. Gases
  4. All of these
 Incorrect statement is: Fizzy sweets _______
  1. Contain sodium hydrogen acetate
  2. Makes tongue feel cold
  3. Eating is an endothermic reaction
  4. Water is produced in chewing
Universal indicator can be used to
  1. Test acids and alkalis
  2. To test strong acids and weak acids
  3. To test strong acids and weak acids
  4. Both A and B
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