Consider the followings:
a. Burning fuels
b. Smelting iron
c. Making glass and pottery
d. Brewing beer, and making wine
Which of the following is/are examples of Chemical reactions?
1
a and d only
2
a, b, c, and d
3
b, c, and d only
4
c and d only
Consider the followings:
a. Burning fuels
b. Smelting iron
c. Making glass and pottery
d. Brewing beer, and making wine
Which of the following is/are examples of Chemical reactions?