Which of the following statements is/are correct?

a. Lignite is the most popular coal in commercial use. b. Anthracite is the highest quality hard coal. c. Metallurgical coal is a low grade brown coal, which is soft with high moisture content.

Keep practicing — related questions

• Which of the following statements is/are correct? a. Lignite, bituminous and anthracite are three varieties...
• ______________ is the highest quality hard coal.
• ___________ is a low-grade brown coal, which becomes soft with high moisture content.
• The highest grade and best quality coal is
• Which of the following statements is correct regarding Bal Gangadar Tilak
• Which of the following statement is correct regeding Bal Gangadar Tilak?
• Which of the following statement was not correct regarding Yasodha Scheme recently introduced by Central Go...
• Which of the following is used for converting high level programming languages to low level ?