If the tissue if fully burnt the remaining ash contain_____

If the tissue is fully burnt the remaining ash contain_____

If the tissue is fully burnt the remaining ash contain_____

Bone ash contains

Plant ash contains

If one weighs as small amount of a living tissue and dry it. Now if the tissue is fully burnt, all the carbon compounds are oxidised to gaseous form and are removed. What is the remaining called ?

Which tissue of the leaf contains the chloroplasts