Select the right option to answer the question:
Vishal broke his arm while playing cricket. In the hospital, the doctor applied a cast made of X to keep the bones in place. The cast hardened within a few minutes after being mixed with water, forming Y, which stabilised the fractured bone until healing. After a few weeks, the cast could be removed, and the bones were properly healed.
i. Explain why X hardens so quickly when mixed with water.
ii. Write the chemical equation for the reaction of X with water to form Y.
i. Explain why X hardens so quickly when mixed with water.
ii. Write the chemical equation for the reaction of X with water to form Y.
i. X hardens so quickly because
ii. The chemical equation for the reaction is