Which one of the following regarding density of water at atmospheric pressure is correct ?

Which one of the following statements is not correct?

Which of the following statement is correct?

Which one among the following statements with reference to the properties of water is not correct ?

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?

Which one of the following is the correct relation between Celsius (C) and Fahrenheit (F)?