Question

Guys pls answr these qstns.....
1.equal lengths of magnesium ribbons are taken in test tubes A and B. HCl acid is added to test tube A, while acetic acid {CH3COOH} is added to test tube B. amount and concentration taken for both the acids are same. in which test tube will the fizzing occur more vigorously and why?

2.fresh milk has pH of 6. hw do u think te pH will change as it turns into curd? explain ur answr..

3.why does dry HCl gas not change the colour of dry litmus paper?

Pls guys...... answr me right nw.. its urgent..!!!

Answer 1

1.in test tube A it will react more virgorously because mg is reacting hcl to give mgcl2 whereas hcl is a organic acid.
3.dry hcl gas dont change the colour because no ions are present in it.
2. milk into curd when ph range is 6