Equal volumes of hydrochloric acid and sodium hydroxide solutions of same concentration are mixed and the pH of the resulting solution is checked with a pH paper. Which of the following colours will be indicated by the pH paper?

Multiple Choice QuestionWhich method uses the color changes of several indicators to measure the pH of a solution?Multiple choice question.pH meterphenolphthaleinpH paperlitmus paper

A sample of soil is mixed with water and allowed to settle. Theclear supernatant solution turns the pH paper yellowish-orange.Which of the following would change the colour of this pH paperto greenish-blue?(a) Lemon juice(b) Vinegar(c) Common salt(d) An antacid

Which of the following solutions has the same pH value as 100 mL of 0.05 M sulphuric aciddiluted to 1L at the same temperature?(A) 10-2 M sodium hydroxide solution (B) 10-2 M calcium hydroxide solution(C) 0.06 M hydrochloric acid solution (D) 0.01 M nitric acid solution

Trisha was studying an unknown solution. She poured 3 drops of the solution into a red litmus paper, but it did not change color. Which is TRUE about the solution?a.It has a pH of exactly 14.b.It has a pH of more than 7.c.It has a pH of less than 7.d.It has a pH of exactly 7.

Which method uses the color changes of several indicators to measure the pH of a solution?