Home
Class 12
CHEMISTRY
By adding gypsum to cement...

By adding gypsum to cement

A

1. setting time of cement becomes less

B

2. setting time of cement increases

C

3. colour of cement becomes light

D

4. shining surface is obtained

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY OF s-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (LEVEL-III)|6 Videos

  • CHEMISTRY OF s-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|6 Videos

  • CHEMISTRY OF s-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|6 Videos

  • CHEMISTRY OF P - BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|20 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|7 Videos

Similar Questions

Explore conceptually related problems

Which of the following is not an important constituent of cement ?

Hyaluronic acid is a heteropolysaccharide and has actyl glucosamine + gulcoronic acid. In is a cementing material and found in

What is the efect of adding detergents to water?

Introducing a defect in a crystal by adding impurity is called …….. .

Write the chemical name and formula of gypsum. What happens when gypsum is heated at 373K. Write chemical equation for the reaction.

A cement company earns a profit of 8 rs per bag of white cement sold and a loss of rs. 5 per bag of gray cement sold. The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

What is the formula of gypsum? What happens when it is heated?

A cement company earns a profit of 8 rs per bag of white cement sold and a loss of rs. 5 per bag of gray cement sold. :- What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey bags sold is rs 6,400 bags.

MODERN PUBLICATION-CHEMISTRY OF s-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS (LEVEL-II)
  1. The order of decreasing ionisation enthalpy in alkali metals is

    Text Solution

    |

  2. Amongst fluorides of alkali metals, the lowest solubility of LiF in wa...

    Text Solution

    |

  3. By adding gypsum to cement

    Text Solution

    |

  4. Dead burnt plaster is

    Text Solution

    |

  5. A substance which gives brick red flame and breaks down on heating to ...

    Text Solution

    |

  6. Which of the following statements is true about Ca(OH)(2) ?

    Text Solution

    |

  7. The mixture of MgCl(2)andMgO is called

    Text Solution

    |

  8. Which of the following is radioactive alkali metal ?

    Text Solution

    |

  9. The following compounds have been arranged in order of their increasin...

    Text Solution

    |

  10. The alkaline earth metal which imparts apple green colour to bunsen fl...

    Text Solution

    |

  11. Which two of the following salts are used for preparing iodized salt? ...

    Text Solution

    |

  12. Which of the following is formed by the action of water on Na(2)O(2)?

    Text Solution

    |

  13. Which one of the following processes is used for the manufacture of ca...

    Text Solution

    |

  14. RbO(2) is

    Text Solution

    |

  15. Which of the following on thermal decomposition yields a basic as well...

    Text Solution

    |

  16. The alkali metals form salts like hydrides by the direct synthesis at ...

    Text Solution

    |

  17. Which of the following metals has the largest abundance in the earth's...

    Text Solution

    |

  18. Propertyof alkaline earthmetals that increases with their atomic numbe...

    Text Solution

    |

  19. Which of the following alkaline earth metal sulphates has hydration en...

    Text Solution

    |

  20. The increasing order of the density of alkali metals

    Text Solution

    |