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Which of the following statements regarding coal are correct?

Which of the following statements regarding coal are correct? Correct Answer Coal is a hydrogen deficient hydrocarbon

Coking coals soften and non coking coals do not soften on heating. The product formed during heating of non coking coal is called char. Coke is a reducing agent as it is hydrogen deficient hydrocarbon.

Related Questions

Despite having large reserves of coal, why does India import millions of tonnes of coal? 1. It is the policy of India to save its own coal reserves for the future, and import them from other countries for the present use. 2. Most of the power plants in India are coal-based and they are not able to get sufficient supplies of coal from within the country. 3. Steel companies need a large quantity of coking coal which has to be imported. Which of the statements given above is/are correct?       
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In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. All coal are black. II. All black are red. Conclusions: I. All coal are red. II. All red are coal. III. No red is coal.
Consider the following statements: 1. Coal sector was nationalized by the Government of India under Indira Gandhi. 2. Now, coal blocks are allocated on lottery basis. 3. Till recently, India imported coal to meet the shortages of domestic supply, but now India is self-sufficient in coal production. Which of the statements given above is/are correct?
Consider the following statements relating to Coal India Limited: 1. It is designated as a 'Maha Ratna' company under the Ministry of Coal. 2. It is the single largest coal-producing company in the world. 3. The Headquarters of Coal India Limited is located at Ranchi, Jharkhand. Which of the statements given above is/are correct?
Consider the following statements relating to Coal India Limited:1. It is designated as a 'Maha Ratna'company under the Ministry of Coal.2. It is the single largest coal producing company in the world.3. The Headquarters of Coal India Limited is located at Ranchi Jharkhand.
Which of the statements given above is/are correct?
Consider the following problems being faced by the Indian Coal Industry : I. Poor quality of coal and bottlenecks in the coal movement II. Low utilisation capacity of washeries III. Growing dependence on the import of coking coal IV. Administered prices
Consider the following problems being faced by the Indian Coal Industry :
I. Poor quality of coal and bottlenecks in the coal movement
II. Low utilisation capacity of washeries
III. Growing dependence on the import of coking coal
IV. Administered prices
Consider the following statements for solid fuels: 1. Peat is the first stage in the formation of coal from wood. 2. The average calorific value of bituminous coal is 1524 kJ/kg. 3. Anthracite is very hard coal and has a shining black lustre. 4. Wood charcoal is obtained by destructive distillation of wood. Which of the above statements are correct?