Building Materials
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.

(i) and (iv)
(iii) and (iv)
(i) and (ii)
(ii) and (iii)

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Building Materials
A queen closer is a

Brick having the same length and depth as the other bricks but half the breadth
Brick with half the width at one end and full width at the other
Brick laid with its breadth parallel to the face or direction of wall
Brick laid with its length parallel to the face or direction of wall

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