Question

If a plant material is dried and burnt in a crucible, the residue would contain
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

Answer 1

If a plant material is dried and burnt in a crucible, the residue would contain Oxides and carbonates of Ca and Mg only

Answer 2

Answer:

Explanation:

Option A would plant material contain a lot of inorganic not just1 or 2