Fill in the blank with an appropriate word:
The least polluting fuel for a vehicle is
(CNG/Petrol).
Important Questions on Natural Resource
Match the suitable renewable and non-renewable resources.
| Sources | A | B | C |
| Renewable | Coal | Wind | Petroleum |
| Non-renewable | Hydrogen | Natural gas | Solar energy |
Why 'Hydrogen is considered to be the best choice among all the alternative fuel options ?
Match the following:
| Column I | Column II |
| a. Clay | 1. is used to make pencils. |
| b. Coal | 2. is used to make buildings. |
| c. Talc | 3. is used to make blackboards. |
| d. Marble | 4. is used to make pots. |
| e. Graphite | 5. is used to make talcum powder. |
| f. Slate | 6. is used to light fires. |
(Electricity, early man, nylon, cook, deforestation, protecting.)
Coal is burnt to produce _____.
Fill in the blank with a suitable word:
These places contain thick deposits of coal are Dhanbad, Neyveli and Raniganj located in _____ (Delhi/Bengaluru).
_____ (Diamond/Anthracite) is a shiny hard black coal.
Fill in the blank with a suitable word:
The rock which is burnt to produce fire is _____ (coal/diamond).
Fill in the blank with a suitable answer.
(Smoke, CNG, Pollution, Water, Vehicles, Factories)
_____ causes less pollution as compared to petrol and diesel.
.
Give an example of each from our daily life:
Fossil fuel used to drive cars: _____.
(Choose from: Coal/ Petrol/ Alcohol)
Fill in the blank with a suitable word:
A car gets the energy to move from _____ (petrol/smoke/water).
