Building Materials
Sandstone is a
(i) Sedimentary rock
(ii) Aqueous rock
(iii) Siliceous rock

Both (i) and (iii)
Only (i)
All (i), (ii) and (iii)
Both (i) and (ii)

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Building Materials
Veneering means

Carving out designs on timber planks
Thin layer of superior wood glued to inferior wood
Chemically treating timber planks
Thick layer of superior wood glued to inferior wood

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