In a metallurgical process, powdered silicon is reacted with a hot concentrated solution of sodium hydroxide. Identify the gas evolved in this mechanism.
Q1. In a metallurgical process, powdered silicon is reacted with a hot concentrated solution of sodium hydroxide. Identify the gas evolved in this mechanism.
Answer: Hydrogen gas
Explanation: Silicon reacts with hot NaOH to produce Sodium silicate and Hydrogen; Oxygen is tempting but it is not a product of this displacement.