is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. 5. directional drilling is defined as the practice of controlling the direction and deviation of a wellbore to a predetermined underground target or location.

Coal is a black or brownish-black sedimentary rock composed primarily of carbon, along with other assorted substances, including sulfur. It is extracted by underground mining or open-pit mining. As a readily …

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.

Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century)is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins …

Coal is a sedimentary deposit composed predominantly of carbon that is readily combustible. Coal is black or brownish-black, and has a composition that (including inherent moisture) consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material.

Coal is a readily combustible black or brownish-black rock. It is a sedimentary rock, but the harder forms, such as anthracite coal, can be regarded as metamorphic rocks because of later exposure to elevated temperature and pressure. It is composed primarily of carbon and hydrogen along with small quantities of other elements, notably sulfur.

Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and …

A readily combustible black or brownish-black sedimentary rock. ... Q-Chat; Created by. dsga013924. Share. Share. Terms in this set (82) Coal. A readily combustible black or brownish-black sedimentary rock. Coal combustion releases air pollutants including carbon dioxide, sulfur dioxide, toxic metals, and particulates.

Coal is a combustible rock mainly composed of carbon along with variable quantities of other elements, mostly hydrogen, sulphur, oxygen and nitrogen. Coal occurs as layers, called coal beds or coal seams, that are found between other sedimentary rocks. Coal is slightly denser than water but less dense than most of the rocks of the …

Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests. Layers of dirt and rock covered the ...

Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests. Layers of dirt and rock covered the ...

Coal is a sedimentary deposit composed predominantly of carbon that is readily combustible. Coal is black or brownish-black, and has a composition that (including inherent moisture) consists of more than 50 percent by weight and more than 70 percent …

Transcribed image text: Question 3 (30 marks] Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements including hydrogen, sulfur, oxygen, and nitrogen. In recent past, considerable interest exists in the conversion of coal into more ...

Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States. Coal is a nonrenewable energy source because it takes millions of years to create. The energy in coal comes from the energy stored by plants that lived hundreds of millions of

Page ID. Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons. Coal is classified into four main types, or ranks depending on the types and amounts of carbon present and on the amount of heat energy the coal can produce, including anthracite, bituminous, subbituminous, …

A combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. Coal It is composed primarily of carbon, along with variable quantities of other elements, chiefly …

Study with Quizlet and memorize flashcards containing terms like COAL, COAL, PEAT and more. ... Learn; Test; Match; Q-Chat; Get a hint. COAL. Click the card to flip 👆. It is a readily combustible black or brownish-black sedimentary rock.

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep …

Coal in India About: Coal is a readily combustible, black or brownish-black sedimentary rock, predominantly made of carbon. Major uses of coal: ... It is the highest grade of coal containing a high percentage of fixed carbon. It is hard, brittle, black, and lustrous. It is found in smaller quantities in regions of Jammu and Kashmir.

Question: Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements including hydrogen sulfur, oxygen, and nitrogen. In recent past, considerable interest exists in the conversion of coal into more convenient products for subsequent ...

Description. Coal is a combustible, sedimentary rock with a brownish-black or even entirely black color. Coal is primarily composed of carbon, with smaller, varying quantities of hydrogen, nitrogen, sulfur and oxygen. It is classified into different types, based on its composition and time of formation. Namely, the most important …

Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons.

Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel ...

Coal is a readily combustible, black or brownish-black sedimentary rock, predominantly made of carbon. It is formed over millions of years through geological pressure applied on plant remains buried under the soil. The heat value of coal reserves in our country (measured in Gross Calorific Value (GCV)), is unfortunately lower than that …

a black, combustible, sedimentary rock that consists of carbon rich matter and found underground and used as fuel Peat a brown, soil-like material characteristic of boggy, acid ground, consisting of partly decomposed vegetable matter; can be used as fuel Loose deposit, slightly carbonized plant; first stage of coal formation

Coal Coal is a readily combustible black or brownish-black sedimentary rock normally occurring in rock strata in layers 1 50 Actual Size Fit Width Fit Height Fit Page Automatic

Coal Geology. Coal is a combustible sedimentary rock formed from ancient vegetation which has been consolidated between other rock strata and transformed by the combined effects of microbial action, pressure and heat over a considerable time period. This process is commonly called 'coalification'. Coal occurs as layers or seams, …

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock layers or veins. Coal is extracted from rocks by coal mining. Coal is currently the most abundant and widely used fossil fuel. It is burned to produce heat in homes and factories and also to generate electricity. In fact, coal is the largest single source of energy for …

Coal is a combustible black or brownish-black sedimentary rock that contains a variable ... where oxygen is still readily available (aerobic/oxidising conditions), decomposition of the plant material produces mainly gaseous and liquid products. ... It is a combustible black or brownish-black sedimentary rock containing a variable amount …

Coal is a readily combustible black or brownish-black sedimentary rock normally occurring in rock strata in layers or veins called coal beds.The harder forms, such as anthracite coal, can be ...