Which one of the following is the correct sequence of change in colours when a turmeric stain on white clothes is scrubbed by soap and then washed with water?

Which one of the following statement is not correct?

Which one of the following statement is not correct?

Which one of the following statements is NOT correct?

Which one of the following is the correct order of pH for the given substances?

Which one of the following statements regarding acids is not correct?