Which one of the following industries uses limestone?

The correct answer is Cement.

Important Points

• Cement is a binding agent, acts as to set and harden materials like bricks, tiles, stones, and so on.
• Cement is a very fine, powdery substance that is mostly composed of iron ore, bauxite (aluminium), sand or clay (silicon), and limestone (calcium).
• It can also contain shells, chalk, marl, shale, clay, blast furnace slag, and slate.
• When cement and water are combined, a chemical reaction takes place, creating a paste that solidifies and binds different construction elements into structures.
• Cement manufacturing plants transform the raw materials into a rock-hard substance by heating them, which is subsequently Pulverised into a fine powder for sale.

Additional Information

•  Aluminum
  • Aluminum is a silvery-white metal.
  • Aluminum is the most common metal on Earth, accounting for more than 8% of the planet's core mass, which is a startling number.
  • In addition, it is the third most prevalent chemical element on Earth, following silicon and oxygen.
• Jute Industry
  • Jute is one of the major industries in the eastern region, particularly in West Bengal.
  • Jute, the golden fiber, meets all the standards for 'safe‘ packaging in view of being a natural, renewable, biodegradable and eco-friendly product.
  • It is estimated that that the jute industry provides direct employment to 0.37 million workers in organized mills.
• Sugar Industry
  • Since ancient times, India has been a major producer of sugar, which later extended to other countries.
  • Southeast Asia and the tropical Indian subcontinent are   the native home of sugarcane.
  • It is mainly flourished in Northern India.