Q1. ___________ is not a petroleum product.

Q2. Solar energy is __________________ source of energy.

Q3.Colour of milestone of National Highway is __________&____________.

Q4. Full form of CNG is _________________________.

Q5. Adalaj Saha stepwell is about _____ km away from Ahmedabad.

Q6. Petroleum is cleaned and its product are separated in a ________________.

Q7. Sound of the loud horns cause __________________.

Q8.Full form of LPG is ________________________.

Q9. To save fuel we should _________________.

Q10. Petroleum is formed naturally but very ______________.