Mineral Nutrition In Plants Question 39
Question: If a plant material is dried and burnt in a crucible, the residue would contain
Options:
A) Oxides and carbonates of about ten elements
B) Carbon and phosphorus
C) Nitrates and sulphates only
D) Oxides and carbonates of Ca and Mg only
Show Answer
Answer:
Correct Answer: A
Solution:
If dried plant parts are heated in silica crucible at $ 600^{o}C $ all organic substances vaporize and the remaining plant ash contains only inorganic substances or mineral elements.
BETA
