Question
The effectiveness of many chemical preservatives depends
primarily on the food:Solution
Preservatives (e.g., benzoic acid) are pH-dependent. Benzoate is effective at pH <4.5 (undissociated form penetrates microbes). Water content/temperature are secondary factors.
Which among the following statements is true?
How many persons are there between P and Z?
Who amongst the following age is 40?
Which among the following appears for the exam in month having more than 30 days?
Six boxes W, M, P, N, C and D, are kept one above the other however not in this particular order. The box, which is kept at the bottommost position is n...
Who among the following person stays on the floor immediate above the floor on which T stays?
C likes which of the following Flower?
Four of the following five are alike in a certain way and hence form a group. Which of the following does not belong to the group?
How many students study in standard IV?
Which among the following statements is definitely true?
