Which of the following is not an ingredient of clinker cement? (a) calcium silicate (b) aluminium silicate (c) calcium aluminium silicate (d) gypsum

Short Answer

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(a) Calcium silicate (b) Aluminium silicate (c) Calcium aluminium silicate (d) Gypsum Answer: (d) Gypsum

Step by step solution

01

Understanding the composition of clinker cement

Clinker is the primary component used in producing cement. Its typical composition includes calcium silicates, aluminium silicates, and calcium aluminate silicates. After the clinker is produced, it is combined with other materials, such as gypsum, to form the final cement.
02

Evaluating the given options

Now that we know the typical composition of clinker cement, we can evaluate the given options: (a) Calcium silicate - This compound is a common component of clinker cement. (b) Aluminium silicate - This compound is also a common component of clinker cement. (c) Calcium aluminium silicate - This compound is another common component of clinker cement.
03

Identifying the option that is not an ingredient of clinker cement

Based on the above evaluation, we can see that the first three options are all common components of clinker cement. The only remaining option is: (d) Gypsum - This compound is not an ingredient of clinker cement itself, but it is added to the clinker during the production of the final cement mixture.
04

Conclusion

Therefore, the correct answer is (d) gypsum, as it is not an ingredient of clinker cement.

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