91. Lime putty
92. Kaolin is chemically classified as
93. Bitumen is generally obtained from
94. Which of the following is a rock?
95. The compound of Portland cement which reacts immediately with water and also sets first is
96. Manganese steels
97. Mastic asphalt is
98. Based on its dry weight, a freshly felled tree may contain water
99. The most commonly used base for timber painting, is
100. Slacking of lime is affected by
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