Sawaal

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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) gimmic B) gimick
C) gimmick D) gimic
 
Answer & Explanation Answer: C) gimmick

Explanation:
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Q:

When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

A) Thermoplastic B) PVC
C) Polyurethane D) Thermosetting
 
Answer & Explanation Answer: D) Thermosetting

Explanation:

Thermoset, or thermosetting, plastics are synthetic materials that strengthen during being heated, but cannot be successfully remouldedor reheated after their initial heat-forming. This contrasts withthermoplastics, which soften when heated and harden and strengthen after cooling. Thermoplastics can be heated, shaped and cooled as often as necessary without causing a chemical change, while thermosetting plastics will burn when heated after the initial moulding.

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Filed Under: General Science
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Q:

Every ecosystem must have

A) Autotrophs B) Heterotrophs
C) Both A & B D) photosynthesizers
 
Answer & Explanation Answer: A) Autotrophs

Explanation:

Every ecosystem must have Autotrophs.

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Q:

The PCl5 molecule has trigonal bipyramidal structure. Therefore,the hybridization of p orbitals should be

A) sp2 B) sp3
C) dsp2 D) dsp3
 
Answer & Explanation Answer: D) dsp3

Explanation:

The P atom needs five orbitals to form the five P-Cl bonds. It has a 3s and three 3p orbitals, so it must use one of its 3d orbitals to form the fifth bond. These orbitals are hybridized to form five sp3d orbitals that just happen to point in the right directions to form a trigonal bipyramid.

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Filed Under: Chemistry
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Q:

Which is the first Sanskrit film produced in India

Answer

Adi Sankara

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Subject: Indian Culture

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Q:

Cabinet members report to the

A) President B) Prime Minister
C) Vice President D) All of the above
 
Answer & Explanation Answer: A) President

Explanation:
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Q:

A proton is identical to _____.

A) the nucleus of helium B) the nucleus of a hydrogen atom
C) an alpha-particle D) a beta particle
 
Answer & Explanation Answer: D) a beta particle

Explanation:
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Filed Under: Chemistry
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Q:

Which Ragamala depicts the martial arts by introducing horsemen in battle?

Answer

 Nataraga/ Natanarayana

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Subject: Indian Culture

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