Which of the following are chemical changes?
(i) Decaying of wood
(ii) Burning of wood
(iii) Sawing of wood
(iv) Hammering of a nail into a piece of wood

which of the following are chemical change ? (i) decaying of wood (ii) burning of wood (iii) sawing of wood (iv) hammering of nail into wood

Which of the following are chemical changes ? (i) Decaying of wood (ii) Burning of wood (iii) Growth of wood in a tree (iv) Hammering of a nail on a piece of wood.

Which of the following is wood alcohol ?

Which of the following is wood alcohol ?

Which of the following is known as wood

Which of the following is known as wood

Which of the following is wood spirit?

State whether the following are physical or chemical changes. burning of wood

Which of the following are homogeneous in nature? (i) Ice (ii) Wood (iii) Soil (iv) Air

Which of the following are homogeneous in nature? (i) Ice (ii) Wood (iii) Soil (iv) Air