Question

The raw materials common to cement and glass is
a) soda b) rock c) gypsum d) sand

Answer 1

Sand is the common raw material for both the glass and the cement. Glass is composed of silica sand.

The raw material also happens to be limestone, soda ash and other chemicals to impart color. Cement is composed of sand, a chemical composition of silica, iron, aluminum and other chemicals.

Answer 2

Answer:

The raw materials common to cement and glass is d) sand.

Explanation:

The raw materials for the manufacturing of cement are lime or calcium oxide, silica, alumina, iron oxide and Gypsum, etc. The main saw material for glass is sand or silica. The chemical formula for sand is $\bold{\mathrm{SiO}_{2}}$. Hence sand is common raw material for cement and glass.  

In the manufacturing of glass we have to add other additives also such as coloring agent, bleaching agent, stabilizer which provide essential features to glass.