Determining Sanitary Quality of Water
The coliform group of bacteria includes all the ..... bacilli
aerobic, Gram-negative, non-sporulating
What will be the plate count of good quality water?
10 per ml
50 per ml
100 per ml
1000 per ml
Alum is used for which of the following purification process?
The potability of water can be checked by sanitary surveys.
Thiobacillus can produce an acidity in the range of pH .....
There are 5 questions to complete.