Question

In curing cement plasters, water is sprinkled from time to time. This helps in ______.

विकल्प

• developing interlocking needle-like crystals of hydrated silicates

• hydrating sand and gravel mixed with cement

• converting sand into silicic acid

• keeping it cool

Answer 1

In curing cement plasters, water is sprinkled from time to time. This helps in developing interlocking needle-like crystals of hydrated silicates.

Explanation:

Cement setting is an exothermic process that produces interlocking crystals of hydrated silicates.