a) Argillaceous rocksb) Siliceous rocksc) Calcareous rocksd) Carbonaceous rocks Answer: bExplanation: Silica predominates in siliceous ...
View QuestionWhich of the following is not a metamorphic change?
a) Calcite to schistb) Limestone to marblec) Shale to slated) Granite to gneisses Answer: aExplanation: ...
View QuestionWhich factor disturbs the equilibrium of rocks, commencing metamorphism?
a) Increase in temperatureb) Decrease in temperature and pressurec) Increase in temperature and pressured) Decrease in pressure
View QuestionWhat is a sedimentary deposit?
a) Weathered product remains at siteb) Weathered product carried away in solutionc) Weathered product gets carried away agentsd) ...
View QuestionAt what depth and rate is a hypabyssal rock formed?
a) Slow cooling of magma at considerable depthb) Quick cooling of magma at a shallow depthc) Rapid cooling ...
View QuestionThe hot molten material occurring naturally below the surface of the Earth is called
a) Lavab) Slagc) Magmad) Tuff Answer: cExplanation: Hot molten material is called Lava when it ...
View QuestionWhich one of the following is not a classification of stones?
a) Physical Classificationb) Mineralogical Classificationc) Chemical Classificationd) Practical Classification Answer: bExplanation: The classifications of stones ...
View QuestionStones are obtained from rocks that are made up of
a) Oresb) Mineralsc) Chemical compoundsd) Crystals Answer: bExplanation: Rocks are made up of minerals. They ...
View QuestionWhich orbital of carbon can absorb photon but not emit it?
a) 1 s b) 2 s c) 3 p d) 2 p Answer: a Explanation: It is in the lowest energy level, it can absorb ...
View QuestionIf wavelength of photon is 2.2×10^−11m, h=6.6×10^−34Js ,then momentum of photon is
If wavelength of photon is \[2.2×10^{-11}m, h=6.6 ×10^{-34}Js\] , then momentum of photon is a) \[3 × 10^{-23}Kg/s\]
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