
A mixture of lime paste is sand, water and
A. Gypsum
B. Slaked lime
C. Quick lime
D. Limestone
Answer
161.1k+ views
Hint: Calcium oxide, calcium hydroxide and limestone are quick lime, slaked lime and limestone respectively. Mortar or lime paste are ceramic mixtures for assembling other solids. This is generally brick or stonework.
Complete Step by Step Answer:
- Calcium oxide is quick lime. It is prepared by heating limestone or calcium carbonate.
- Calcium hydroxide or slaked lime is prepared by adding water to quick lime.
- Limestone or calcium carbonate is prepared by passing carbon dioxide through slaked lime.
- The term mortar or lime paste is a paste readied by the addition of a needed quantity of water to a combination of quick lime and sand. It is a combination of sand, quick lime or cement and water.
- Mortar is used for several applications like holding together building materials like bricks and stones in a solid mass, pointing and plasterwork on unprotected surfaces of masonry, shaping a balanced and soft bedding layer for building components, shaping pipe connections, enhancing the common appearance of the structure, to assemble moulds for coping, corbels, etc.
- Accordingly, from the above explanation, we can finalise that option C is the valid choice for the provided question.
So, option C is correct.
Note: It must be pointed out that cement is a mixture of calcium silicates and aluminates with little amounts of gypsum which forms a hard stone-like mass when reacted with water. The necessary constituents are lime, silica, aluminium oxide, magnesium oxide and ferric oxide.
Complete Step by Step Answer:
- Calcium oxide is quick lime. It is prepared by heating limestone or calcium carbonate.
- Calcium hydroxide or slaked lime is prepared by adding water to quick lime.
- Limestone or calcium carbonate is prepared by passing carbon dioxide through slaked lime.
- The term mortar or lime paste is a paste readied by the addition of a needed quantity of water to a combination of quick lime and sand. It is a combination of sand, quick lime or cement and water.
- Mortar is used for several applications like holding together building materials like bricks and stones in a solid mass, pointing and plasterwork on unprotected surfaces of masonry, shaping a balanced and soft bedding layer for building components, shaping pipe connections, enhancing the common appearance of the structure, to assemble moulds for coping, corbels, etc.
- Accordingly, from the above explanation, we can finalise that option C is the valid choice for the provided question.
So, option C is correct.
Note: It must be pointed out that cement is a mixture of calcium silicates and aluminates with little amounts of gypsum which forms a hard stone-like mass when reacted with water. The necessary constituents are lime, silica, aluminium oxide, magnesium oxide and ferric oxide.
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