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7.

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica                        
A. basalt and marble are the only metamorphic rocks B. there is no sedimentary rock
C. granite is the only igneous rock D. quartz and mica are minerals



8.

A heavy stone is suitable for                        
A. arches B. rubble masonry
C. roads D. retaining walls



9.

The stone suitable for rubble masonry should be.                        
A. hard B. tough
C. heavy D. light




10.

Which of the following metamorphic rocks has the most weather resisting characteristics?                        
A. marble B. quartzite
C. slate D. lime stone



11.

A good building stone should not absorb water more than                        
A. 5% B. 10%
C. 15% D. 20%



12.

Which of the following has more fire resisting characteristics ?                        
A. marble B. lime stone
C. compact sand stone D. granite



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