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Q:

Give an example of a salt which gives an aqueous solution of pH less than 7.

A) Ammonium chloride B) Sodium carbonate
C) Sodium bicarbonate D) Sodium chloride
 
Answer & Explanation Answer: A) Ammonium chloride

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Filed Under: Chemistry
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Q:

Which   one   of   the   following   is   not   a semiconductor?

A) Silicon B) Germanium
C) Quartz D) Gallium arsenide
 
Answer & Explanation Answer: C) Quartz

Explanation:

Semiconductors are the basic materials used in the present solid state electronic devices like diode, transistor, ICs, etc. 2. Lattice structure and the atomic structure of constituent elements decide whether a particular material will be insulator, metal or semiconductor. Semiconductors are elemental (Si, Ge) as well as compound (GaAs, CdS, etc.). Silicon, Germanium, Gallium Arsenide are semiconductors, but Quartz is an insulator.

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Q:

Which of the following represents an ion?

A) a particle having 9 protons, 9 neutrons, and 10 electrons B) a particle having 19 protons, 21 neutrons, and 19 electrons
C) a particle having 14 protons, 14 neutrons, and 14 electrons D) a particle having 1 proton, 3 neutrons, and 1 electron
 
Answer & Explanation Answer: A) a particle having 9 protons, 9 neutrons, and 10 electrons

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
We have kept the bird in the cage too long.

A) Keeping of the bird in the cage has been done by us for too long. B) The bird has been kept in the cage by us for too long.
C) We have been keeping for long the bird in the cage. D) The bird would have been kept in the cage by us for too long.
 
Answer & Explanation Answer: B) The bird has been kept in the cage by us for too long.

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Filed Under: English

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Q:

Akbar's tomb is located at which of the following places?

A) Sikandara B) Agra
C) Fatehpursikri D) Allahabad
 
Answer & Explanation Answer: A) Sikandara

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Q:

If a3-b3 = 56 and a-b = 2, then what is the value of a2+b2 ?

A) 12 B) 20
C) 28 D) 32
 
Answer & Explanation Answer: B) 20

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Q:

The Ibadat Khana was a meeting house built by which Mughal Emperor?

A) Babur B) Humayun
C) Akbar D) Aurangzeb
 
Answer & Explanation Answer: C) Akbar

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Filed Under: Indian History
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Q:

Edwin Lemert described primary deviance as

A) Violates a society’s formally enacted criminal law. B) How others respond to the behavior in question.
C) Deviance affirms cultural values and norms, responding to deviance promotes social unity, responding to deviance clarifies moral boundaries. D) A passing episode of deviance that has little effect on the person's self-concept.
 
Answer & Explanation Answer: D) A passing episode of deviance that has little effect on the person's self-concept.

Explanation:

Edwin Lemert described primary deviance as a passing episode of deviance that has little effect on the person's self-concept

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Filed Under: World History
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