If a plant material is dried and burnt in a crucible, the residue woul – McqOptions

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1.	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» B. Carbon and phosphorus

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