1. [C] zinc is more reactive than Tin Food cans are coated with tin and not with zinc because zinc is more reactive than tin.

    [C] zinc is more reactive than Tin
    Food cans are coated with tin and not with zinc because zinc is more reactive than tin.

    See less
    • 1
  2. (B) Cellulose, hemicellulose, pectin The plant cell wall is made up of cellulose, hemicellulose and pectin.

    (B) Cellulose, hemicellulose, pectin
    The plant cell wall is made up of cellulose, hemicellulose and pectin.

    See less
    • 1