Agriculture MCQs

2794 MCQs  (Page 141 of 280)

The exact formula for sodium hexametaphosphate is___________________?
A. [(napo6)13]
B. [(napo3)13]
C. [(napo2)6]
D. None of the above
Na2CO3 salts is___________________?
A. Neutral
B. Alkaline
C. Acidic
D. None of the above