Name the test tubes in which there will be color change?

1. Benedict's test tube
2. Iodine test tube
3. Litmus test tube
4. pH test tube
5. Barfoed's test tube

1) Test tube containing starch solution and iodine solution
2) Test tube containing Benedict's solution and glucose solution
3) Test tube containing Fehling's solution A and Fehling's solution B and glucose solution