Fill in the blanks by choosing an appropriate option.
When sugar is dissolved in water, it undergoes a (i) change but if sugar is heated in a test tube over the Bunsen burner flame, it first melts, turns brown and finally turns (ii) . The new substance formed is (iii) and the change is a (iv) change.
|A||Physical, reversible||Black||Charcoal||Chemical, irreversible|
|B||Physical, irreversible||Black||Coal||Chemical, irreversible|
|C||Physical, irreversible||Red||Charcoal||Chemical, reversible|
|D||Physical, reversible||Red||Coal||Chemical, reversible|