Computer · Building Materials
Which of the following statements regarding the field tests for cement is correct?
- 1Adulterated cement does not change its colour even after heating it to a high temperature
- 2Physical tests for cement are carried out at 38 °C
- 3Adulterated cement changes its colour after heating it to a high temperature✓
- 4Pure cement changes its colour dramatically to bright red upon heating
Correct answer
Adulterated cement changes its colour after heating it to a high temperature
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