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Calcium oxide reacts vigorously with water to produce slaked lime whose solution is used for white-washing walls. This slaked lime reacts with component (A) in air to form a thin layer of component (B) to give a shiny finish. What are the components (A) and (B) ?
Which of the following reacts vigorously with water to produce slaked lime releasing a large amount of heat?
This compound is conventionally used for the whitewashing of buildings. Which of the following statements is/are true about it. 1. It is obtained by treating quick lime with water. 2. It is produced when calcium carbide reacts with water. 3. It is one of the raw materials used for the manufacture of Portland cement. 4. It is called slaked lime and its chemical formula is Ca(OH)2. Select the correct answer using the code given below:
Quick lime reacts with water to give slaked lime and heat. What type of reaction is this?
Consider a set U of 23 different compounds in a Chemistry lab. There is a subset S of U of 9  compounds, each of which reacts with exactly 3 compounds of U. Consider the following statements:  I. Each compound in U\S reacts with an odd number of compounds. II. At least one compound in U\S reacts with an odd number of compounds. III. Each compound in U\S reacts with an even number of compounds. Which one of the above statements is ALWAYS TRUE?
Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:
Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.
Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.
Select your answer according to the codes given below:
Study the following statements.
(i) Hydraulic lime is suitable for white washing,
(ii) Fat lime is suitable for whitewashing,
(iii) Hydraulic lime is suitable for making mortar,
(iv) Fat lime is suitable for making mortar.
Fat lime slakes slowly while hydraulic lime slakes vigorously.
Which of the following compound formed when slaked lime reacts with the chlorine gas?