About sulphuric acid which is not correct?

You are provided with 90 mL of distilled water and 10 mL of concentrated sulphuric acid to prepare dilute sulphuric acid. What is the correct way of preparing dilute sulphuric acid? Give reason.

Which of the following statements regarding conc. Sulphuric acid is not correct?

Which of these statements about sulphur is not correct?

Which property of sulphuric acid is shown by the reaction of concentrated sulphuric acid with : (i) Ethanol (ii) Carbon

The aromatic heterocyclic base pyridine is sulphonated by heating with conc. sulphuric acid. Which of the following statements about this reaction is correct?

About meso tartaric acid which of the following statements is/are not correct