Subject :NSO Class : Class 8
Observe the figure of destructive distillation of coal. What are the three fractions X, Y and Z?
| X | Y | Z | |
| A | Coal gas | Coal tar | Coke |
| B | Coal gas | Coke | Coal |
| C | Coal gas | Coal tar | Impure coal |
| D | Carbon dioxide | Coal tar | Coal |
Ans 1:
Class : Class 8
Ans 2:
Class : Class 10
The right answer is Option A
Ans 3:
Class : Class 8