Question

0. Complete the crossword Fig. 5.2 with the help of the dues:
c
Fig. 5.2
Across
1. Fuels obtained for dead remains of living organisms. (6,5)
. 2. A process by which the various constituents of petroleum are separated. (8)
3. A porous black substance obtained form coal. (4)
* 4. Another name for motor fuel. (6)
Down
5. The substance obtained by carbonisation. (4)
6. Fuel for heavy motor vehicles. (6)
• 7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)​

Answer 1

/ AB is a chord of a circle at a distance 5 cm from the centre. If the length of the chord is 24 cm then the radius is /]

Answer 2

Answer:

1- Fossilfuels

2- Refining

3- Petrol

4-Diesel

5-petrol

6- diesel

7- bitumes

8- petrol

Hope it helps you........