Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite

Pick up the polymineralic rock from the following:
(A) Quartz sand
(B) Pure gypsum
(C) Magnesite
(D) Granite
by

1 Answer

Answer :

Answer: Option D
by

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Description : 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

Last Answer : Answer: Option D

Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite

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Which of the following is a rock? (A) Quartz (B) Mica (C) Gypsum (D) None of these

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A rock contains only one mineral. It is called (A) Homogeneous (B) Non-homogeneous (C) Monomineralic (D) Polymineralic

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The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt

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Last Answer : ANSWER: Z -- BASALT

Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished from other types of rocks by the presence of distinct layers (c) Granite has large crystals of quartz, feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

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Last Answer : Ans: (d)

Which of the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble

Description : Which of the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble

Last Answer : ANSWER: Z -- MARBLE

Pick up the correct statement from the following: (A) The free quartz suddenly expands at a temperature lower than 600°C (B) The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2 (C) The sand stone with silicates resist a fire in a better way (D) All the above

Description : Pick up the correct statement from the following: (A) The free quartz suddenly expands at a temperature lower than 600°C (B) The lime stone resists fire upto about 800°C and at higher temperature it splits into ... (C) The sand stone with silicates resist a fire in a better way (D) All the above

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Last Answer : Answer: Option C

Granite mainly composed of quartz and feldspar particles, is obtained from (A) Sedimentary rocks (B) Metamorphic rocks (C) Igneous rocks (D) All the above

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Last Answer : Answer: Option C

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Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble

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Which of the following is the hardest material? (A) Calcite (B) Quartz (C) Corundum (D) Gypsum

Description : Which of the following is the hardest material? (A) Calcite (B) Quartz (C) Corundum (D) Gypsum

Last Answer : (C) Corundum

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Last Answer : (C) Feldspar

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Description : Which of the following is easily weatherable mineral a. Quartz b. Gypsum c. Calcite d. Dolomite

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Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

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Last Answer : ANSWER: Y -- GRANITE

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The rock generally used for roofing, is (A) Granite (B) Basalt (C) Slate (D) Pumice

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Last Answer : Slaked lime

Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

Description : Which of the listed groups of electrical insulation materials is best suited for the highest operating temperatures? A. impregnated cotton and silk B. unimpregnated paper and cotton C. pure glass and quartz D. mica and porcelain with bonding agents

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[Fiction question] I need a rock collector or geologist now. Can you just find a chunk of beryl or quartz lying around on the ground?

Description : [Fiction question] I need a rock collector or geologist now. Can you just find a chunk of beryl or quartz lying around on the ground?

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Is quartz a mineral or a rock mineral rock Submit?

Description : Is quartz a mineral or a rock mineral rock Submit?

Last Answer : mineral

What kind of rock is crystal quartz?

Description : What kind of rock is crystal quartz?

Last Answer : It is an igneous rock.