Question

What are refectory indicators ? give examples ​

Answer 1

Answer:

The main indicators to determine the quality of refractory products are: (1) Refractoriness. "Refractoriness" refers to refractory products in the production and application of the process can withstand high temperature, but not the performance of the melt. (2) High temperature load softening point.

1) Silica (SiO2). 2) Zirconia (ZrO2). 3) Aluminosilicate.

Answer 2

Answer:

Answer. In Simple words, we can say An All Factory Indicator is an organic substance which changes its odour in Acidic or Basic medium. Some vegetables can also work like An All Factory Indicator. Examples - Onion, Garlic, etc

Explanation:

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