Some Important Compounds of Calcium
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CHXI10:THE S-BLOCK ELEMENTS

315965 Identify the correct statement

1 Gypsum contains a lower percentage of calcium than plaster of paris
2 Gypsum is obtained by heating plaster of paris
3 Plaster of paris can be obtained by hydation of gypsum
4 Plaster of paris is obtained by partial oxidation of gypsum
CHXI10:THE S-BLOCK ELEMENTS

315947 A major constitutent of portland cement except lime is

1 Silica
2 Alumina
3 Iron oxide
4 Magnesia
CHXI10:THE S-BLOCK ELEMENTS

315948 Gypsum is added to clinker during cement manufacture to

1 decrease the rate of setting of cement
2 bind the particles of calcium silicate
3 facilitate the formation of colloidal gel
4 all the above
CHXI10:THE S-BLOCK ELEMENTS

315949 The chief component of cement that has property of setting quickly and acquiring considerable strength within few days is

1 tricalcium silicate \(\left(3 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
2 dicalcium silicate \(\left(2 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
3 tricalcium aluminate \(\left(3 \mathrm{CaO} \cdot \mathrm{Al}_{2} \mathrm{O}_{3}\right)\)
4 All of the above
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CHXI10:THE S-BLOCK ELEMENTS

315965 Identify the correct statement

1 Gypsum contains a lower percentage of calcium than plaster of paris
2 Gypsum is obtained by heating plaster of paris
3 Plaster of paris can be obtained by hydation of gypsum
4 Plaster of paris is obtained by partial oxidation of gypsum
CHXI10:THE S-BLOCK ELEMENTS

315947 A major constitutent of portland cement except lime is

1 Silica
2 Alumina
3 Iron oxide
4 Magnesia
CHXI10:THE S-BLOCK ELEMENTS

315948 Gypsum is added to clinker during cement manufacture to

1 decrease the rate of setting of cement
2 bind the particles of calcium silicate
3 facilitate the formation of colloidal gel
4 all the above
CHXI10:THE S-BLOCK ELEMENTS

315949 The chief component of cement that has property of setting quickly and acquiring considerable strength within few days is

1 tricalcium silicate \(\left(3 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
2 dicalcium silicate \(\left(2 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
3 tricalcium aluminate \(\left(3 \mathrm{CaO} \cdot \mathrm{Al}_{2} \mathrm{O}_{3}\right)\)
4 All of the above
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CHXI10:THE S-BLOCK ELEMENTS

315965 Identify the correct statement

1 Gypsum contains a lower percentage of calcium than plaster of paris
2 Gypsum is obtained by heating plaster of paris
3 Plaster of paris can be obtained by hydation of gypsum
4 Plaster of paris is obtained by partial oxidation of gypsum
CHXI10:THE S-BLOCK ELEMENTS

315947 A major constitutent of portland cement except lime is

1 Silica
2 Alumina
3 Iron oxide
4 Magnesia
CHXI10:THE S-BLOCK ELEMENTS

315948 Gypsum is added to clinker during cement manufacture to

1 decrease the rate of setting of cement
2 bind the particles of calcium silicate
3 facilitate the formation of colloidal gel
4 all the above
CHXI10:THE S-BLOCK ELEMENTS

315949 The chief component of cement that has property of setting quickly and acquiring considerable strength within few days is

1 tricalcium silicate \(\left(3 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
2 dicalcium silicate \(\left(2 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
3 tricalcium aluminate \(\left(3 \mathrm{CaO} \cdot \mathrm{Al}_{2} \mathrm{O}_{3}\right)\)
4 All of the above
For More Updates join with Us
CHXI10:THE S-BLOCK ELEMENTS

315965 Identify the correct statement

1 Gypsum contains a lower percentage of calcium than plaster of paris
2 Gypsum is obtained by heating plaster of paris
3 Plaster of paris can be obtained by hydation of gypsum
4 Plaster of paris is obtained by partial oxidation of gypsum
CHXI10:THE S-BLOCK ELEMENTS

315947 A major constitutent of portland cement except lime is

1 Silica
2 Alumina
3 Iron oxide
4 Magnesia
CHXI10:THE S-BLOCK ELEMENTS

315948 Gypsum is added to clinker during cement manufacture to

1 decrease the rate of setting of cement
2 bind the particles of calcium silicate
3 facilitate the formation of colloidal gel
4 all the above
CHXI10:THE S-BLOCK ELEMENTS

315949 The chief component of cement that has property of setting quickly and acquiring considerable strength within few days is

1 tricalcium silicate \(\left(3 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
2 dicalcium silicate \(\left(2 \mathrm{CaO} \cdot \mathrm{SiO}_{2}\right)\)
3 tricalcium aluminate \(\left(3 \mathrm{CaO} \cdot \mathrm{Al}_{2} \mathrm{O}_{3}\right)\)
4 All of the above
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