Chemistry 3 Laboratory Report

"Compare your results with those of students using the other sets of reagents. Record their results along with yours in tabular form."

Group A

Test tube	Chemical	Observations
1	NaOH	no changes
2	Na2Cr2O7	no changes
3	NaCl	nail was rusty in part submerged in NaCl, with black spots at the bottom of test tube
4	HCl	the nail was very rusty, even in the part not submerged in HCl; an orange color was observed in the solution
5	distilled H2O	the nail was rusty in the part submerged; an orange color was observed in the solution

Groups B and C, please post or comment your results too.

Thanks.