A. Oxidation
B. Distillation
C. Hydrogenation
D. Crystallization
A. Solid
B. Liquid
C. Gas
D. None of these
A. Sodium carbonate
B. Sodium bicarbonate
C. Calcium carbonate
D. Sodium chloride
Explanation: Baking Soda is commonly known as Sodium Bicarbonate.
A. Steel
B. Cast iron
C. Wrought iron
D. Charcoal
Explanation: Wrought Iron contains the lowest percentage of carbon among these options.
A. Hydrogen
B. Nitrogen
C. Acetylene
D. Ammonia
Explanation: Acetylene is commonly used as a fuel gas in welding and cutting processes.