Construction Materials

11) Quartitze is a

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silicious rock

12) Which of the following metamorphic rocks has the most weather resisting characteristics?

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quartzite

13) Which of the following has more fire resisting characteristics?

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compact sand stone

14) The predominant constituent which responsible for strength in granite is is

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quartz

15) Which of the following sedimentary rocks changes into quartzite by metamorphic action?

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sand stone

16) Slate is formed by metamorphic action on

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shale

17) Which of the following is a mineral?

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quartz

18) Which of the following is a rock?

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gypsum

19) Granite is not suitable for ordinary building purpose because

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it is costly

20) Based on the following rocks and minerals, select the correct statement. quartz, shale, basalt, granite, marble, gypsum, mica

Discuss in Comment

quartz and mica are minerals

Subject Notes

Objective Box

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