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What is the primary ingredient in Portland cement?

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Question: What is the primary ingredient in Portland cement?

Options:

  1. Limestone
  2. Clay
  3. Gypsum
  4. Sand

Correct Answer: Limestone

Solution: 

Portland cement is primarily made from limestone, which is heated to produce clinker.

What is the primary ingredient in Portland cement?

Practice Questions

Q1
What is the primary ingredient in Portland cement?
  1. Limestone
  2. Clay
  3. Gypsum
  4. Sand

Questions & Step-by-Step Solutions

What is the primary ingredient in Portland cement?
  • Step 1: Understand that Portland cement is a type of cement used in construction.
  • Step 2: Identify the main ingredient used to make Portland cement.
  • Step 3: Learn that the primary ingredient is limestone.
  • Step 4: Know that limestone is heated in a kiln to create a substance called clinker.
  • Step 5: Recognize that this clinker is then ground to produce Portland cement.
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