Which one of the following pairs of solution can we expect to be isotonic at the same temperature

Which one of the following pairs of solutions can we expect to be isotonic at the same temperature?

Which of the following pairs of solutions can we expect to be isotonic at the same temperature ?

Which one of the following pairs of solutions can be expected to be isotonic at the same temperature ?

Which of the following pair of solutions can be expected to be isotonic at the same temperature ?

Which of the following pair of solutions can be expected to be isotonic at the same temperature ?

Which of the following pair of solutions can be expected to be isotonic at the same temperature ?

Which one of the following pairs of solutions will be expected to be isotonic under the same temperature ?