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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.
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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
- If the value of Cp for nitrogen gas is 7 JK⁻¹mol⁻¹ , then the value
- Consider the modes of transformations of a gas from state ‘A’ to state ‘B’
- Bauxite is concentrated by
- The molarity of water is
- N₂ gas will not be evolved upon reaction of HNO₂ with which of the following
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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