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The constituents of porland cement are
Options
(a) CaCO₃+clay+sand
(b) CaCO₃+aluminium silicate
(c) CaCO₃+clay+SiO₂
(d) CaCO₃+gypsum+clay
Correct Answer:
CaCO₃+gypsum+clay
Explanation:
The essential constituents of portland cement are CaO, silica, alumina, magnesium oxide, and ferric oxide. The essential raw materials used are CaCO₃, gypsum and clay. CaCO₃ provides CaO and Clay provides silica as well as alumina and ferric oxide.
Related Questions: - Which of the following is used as refrigerant
- The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is used as refrigerant
- The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
- Limestone is not used in which of the following manufacturing processes
- An increase in equivalent conductance of a strong electrolyte
- For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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