Question

Q5. The examples of
combustible substances are
O Straw, cloth,stones
O Paper, cloth, straw
O
Glass ,lrón nails ,paper
O Matchstick ,rubber ,copper wire​

Answer 1

1) No. Water doesn't exhibit properties of hydrogen and oxygen. This is because the properties of a compound are entirely different from its constituent elements.

2) Yes. In sulphur dioxide, the sulphur and oxygen atoms are in chemical combination with each other.

The reason is in a compound, the atoms of different elements have chemical bonds between them.