everyday science MCQ #5550

Raw materials used for the manufacture of glass are:

everyday science MCQ #5550

  1. Question 1

    Q1. Raw materials used for the manufacture of glass are:

    • A) Sand, soda, and limestone
    • B) Sand, charcoal, and soda
    • C) Limestone, charcoal, and sulfur
    • D) Sand, sulfur, and soda

    Answer: Sand, soda, and limestone

    Explanation: Glass is manufactured by melting silica sand (SiO₂), soda ash (sodium carbonate), and limestone (calcium carbonate) together at high temperatures to form a homogeneous molten mass.