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Composition and Manufacture and Uses of Cement

Mixture of Mg...

Question

Mixture of $M g C l_{2}$ and $M g O$ is called

A

Portland cement

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B

Sorrel’s salt

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C

Double salt

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D

none

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Solution

The correct option is B Sorrel’s salt
It is called as Sorrel’s cement

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Similar questions

M g C l_{2}

and MgO is called :

Q. What is the mixture of MgCl₂ and MgO is called?

120

g Mg is burnt in air to give a mixture of

M g O

M g_{3} N_{2}

. The mixture is now dissolved in

H C l

M g C l_{2}

N H_{4} C l

107

N H_{4} C l

is produced, then determine the moles of

M g C l_{2}

Q. If pH of solution X is 6 and pH of solution Y is 13.What is formed when X and Y are reacted with each other?

Q. Match List-1 (Type of cement) with List-2 (Characteristics) and select the correct answer using the codes given below the lists:

List-1
A. Air entraining portland cement
B. Low-heat portland cement
C. Hydrophobic portland cement
D. Rapid hardening portland cement

List-2
1. Suitable for very large structures
2. Unsuitable for very large masses of concrete
3. Greater resistance to frost attack
4. Safe storage under unfavourable conditions of humidity

Codes:
A B C D
4 2 1 3
3 4 1 2
3 1 4 2
4 1 2 3

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