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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
- When 2-bromobutane reacts with alcoholic KOH, the reaction is called
- Plaster of paris is used
- Acetone reacts with iodine to form iodoform in the presence of
- Packing efficiency of hcp structure is
- If the manufacture of bromine from sea water, the mother liquor containing bromides
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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