mikaylap5340 mikaylap5340

27-12-2023
Chemistry

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Which of the following modifications to the standard procedure for mixing gypsum products will increase the compressive strength of the set material?
1) Adding a small amount of salt to the water before mixing.
2) Decreasing the water/powder ratio by a small amount.
3) Using warmer water.
4) Decreasing the mixing time.

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