Important Questions Test: Coal & Petroleum - Class 8 MCQ

• In 1810, coal gas was used for the first time to light the streets of London.
• Coal gas is produced during the processing of coal to obtain coke.
• The primary components of coal gas are hydrogen, methane, and carbon monoxide.

The agriculture industry revolves around the sensible use of natural resources such as soil, trees, wildlife, and forests. Agriculture involves the cultivation of crops and the raising of livestock for food production, making it highly dependent on the sustainable management of natural resources for long-term productivity and environmental conservation.

The burning of petroleum products releases carbon dioxide into the atmosphere, which is a major contributor to global warming and climate change. This process intensifies the greenhouse effect, leading to adverse environmental consequences such as rising global temperatures, sea level changes, and disruptions to ecosystems worldwide. It underscores the importance of adopting sustainable practices and reducing fossil fuel consumption to mitigate these harmful effects.

Combining multiple errands into one trip is a practical strategy to reduce the consumption of petrol and diesel as it helps minimize unnecessary travel and optimize routes. This approach not only conserves fuel but also contributes to reducing carbon emissions and overall environmental impact.

In addition to being a major fuel source for electricity generation, coal is also extensively used to produce steam for heating purposes. This application underscores the versatility of coal as a valuable resource across different industries where steam plays a crucial role in various heating applications.

The Petroleum Conservation Research Association (PCRA) of India offers valuable tips to help individuals save petrol and diesel while driving. Following these tips can not only help in reducing fuel consumption but also contribute to environmental conservation efforts.

Natural gas is utilized for various purposes, including cooking, running central heating and cooling systems, and drying clothes. It is an efficient and widely used energy source in households and industries for its clean burning properties and versatility. 
Energy Source in Manufacturing: Beyond its use as a feedstock, natural gas is a critical energy source for various manufacturing processes. It is used to power boilers, furnaces, and turbines, providing the necessary heat and power for a wide range of industrial activities. The benefits of using natural gas include its high efficiency, lower cost, and reduced environmental impact compared to other fossil fuels like coal and oil.