#71
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Are the questions related to Solar System really part of everyday sciences?
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#72
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for sure
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#73
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are these solved MCQs are correct and reliable to follow ?
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#74
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Eds
Quite Easy
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#75
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Everyday Science MCQs 2017
1. Which one of the following is not an example of Hypothermal Ores?
(A) Cassiterite (B) Wolframite (C) Scheelite (D) Antimony Sulphide 2. Which one of the following is not an example of metamorphic minerals? (A) Garnet (B) Tremolite (C) Wolframite (D) Kyanite 3. Which one of the following is a radioactive ore? (A) Carnotite (B) Scheelite (C) Tremolite (D) Wulfenite 4. Which one of the following is an important ore for Aluminum metal? (A) Brucite (B) Bauxite (C) Braunite (D) Borax 5. What is common among the following ores: Gypsum, Epsomite, Chalcanthite and Mirabilite. (A) All are radioactive ores (B) All are ores for Iron metal (C) All are sulfates chemically (D) All are metamorphic in nature Answers: 1. C 2. A 3. C 4. B 5. B |
#76
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Q. Why does the Sun appear organic-red at the time of sunrise or sunset?
Ans. At sunrise and sunset, we see the Sun through a greater thickness of air because it is low in the sky. The colors of the spectrum are gradually scattered. Red and orange are the last to be scattered through the atmosphere around us and there fore the Sun appears organic red. |
#77
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Q. What is a Rainbow and how it is formed?
Ans. A rainbow is the appearance of the band of seven color spectrum on the horizon. Although the Sunlight appears to be white but it is really made a different colors. A rainbow is formed when this white light gets dispersed by passing through million of falling spherical raindrops which act as series of prisms. |
#78
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Q. What is an Early Bird?
Ans. It is the name of the first commercial communication satellite which was launched by U.S.A. in 1965. |
#79
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Q. Is our Earth a perfect sphere?
Ans. The Earth is not a true sphere but an oblate spheroid, because it is flattened at the poles and bulges out at the equator it is more like an orange than like a ball it circumference is 25,000 miles. The polar diameter of the Earth is 26 miles shorter than the equatorial diameter. |
#80
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Q. Name the two most abundant elements in the Earth's crust.
Ans. Oxygen and Silicon are the two most abundant elements present in the Earth's crust. |
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