Advertisements
Advertisements
प्रश्न
The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Keenrose is a fuel used in jet crafts.
Advertisements
उत्तर
Kerosene is a fuel used in jet crafts.
संबंधित प्रश्न
Explain the process of formation of petroleum.
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
Fill in the following blank with suitable word :
When a fuel burns in an insufficient supply of air, then some poisonous gas called ......... is also produced.
State any five steps to reduce the consumption of coal and petroleum products.
Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas
A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.
List the products of combustion of fossil fuels. What are their adverse effects on the environment?
Name the petroleum product used as fuel for stoves, lamps and jet aircrafts.
Coal and petroleum are formed from the dead remains of organisms and are known as ______.
Excessive burning of fossil fuels is a major cause of ______.
