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 |
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 |
Match column I with column II and choose the correct option from the codes given below.
Column I (Amorphous forms of carbon) | Column II (Uses) |
(P) Lamp black | (i) For making electrodes for dry cell |
(Q) Bone charcoal | (ii) In gas masks |
(R) Wood charcoal | (iii) In extraction of metals |
(S) Gas carbon | (iv) To remove colour from sugarcane juice |
(T) Coke | (v) For making black shoe polish |
P | Q | R | S | T | |
A | (i) | (v) | (iii) | (ii) | (iv) |
B | (v) | (iv) | (ii), | (iii) | (i) |
C | (ii) | (iii) | (iv) | (i) | (v) |
D | (v) | (iv) | (ii) | (i) | (iii) |
Fill in the blanks left in the classification of the fossil fuels.
p | q | u | v | w | x | |
A | Petroleum | Coal | Petroleum gas | Bitumen | Coal gas | Coke |
B | Coal | Petroleum | Coal gas | Coke | Petroleum gas | Bitumen |
C | Coal | Petroleum gas | Coal | Charcoal | Gasoline | Coal tar |
D | Petroleum | Coal | Gasoline | Bitumen | Natural gas | Coke |