Q:

Elements having same atomic numbers but different mass number are called ______.

A) isotones	B) Isotopes
C) isomopes	D) isobar

Answer & Explanation Answer: B) Isotopes

Explanation:

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Exam Prep: Bank Exams

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Q:

The magnetic moment (spin only) of $[N i C l_{4}]^{2 -}$ is

A) 1.41 BM	B) 1.82 BM
C) 5.46 BM	D) 2.82 BM

Answer & Explanation Answer: D) 2.82 BM

Explanation:

Hybridisation of Ni is $e^{-}$

Unpaired $3 d^{8}$ in is 2

So $Ω = \sqrt{n (n + 2)} B M = \sqrt{2 x 4} = \sqrt{8} = 2.82 B M$

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Exam Prep: AIEEE

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Q:

The output quality of a printer is measured by

A) Dots per line	B) Dots printed per unit time
C) Dots per inch	D) All of the above

Answer & Explanation Answer: C) Dots per inch

Explanation:

DPI [Dots Per Inch] is a measurement of output quality of printer resolution. It represents number of ink dots the printer can place in an area of one square inch. The lesser the DPI the less sharper the image and vice versa.

Therefore, a printer that may have 400 DPI, a printer that can print 400 x 400 per square inch or 1,60,000 dots per inch.

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Q:

What was the religion of Malik Kafur before he entered the service of Ala-ud-din?

A) Zoroastrianism	B) Hinduism
C) Buddhism	D) Jainism

Answer & Explanation Answer: B) Hinduism

Explanation:

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Filed Under: Indian History

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Q:

Which one of the following rivers is recharged by subsoil water?

A) Godavari	B) Damodar
C) Narmada	D) Krishna

Answer & Explanation Answer: C) Narmada

Explanation:

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Filed Under: General Awareness

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Q:

Study the following information and answer the given question:

Point A is 10m to the south of B.Point G is 3 m to the east of A. Point H is 5 m to the south of G. Point D is 6 m to the west of H. Point C is 10 m to the north of D. Point K is 6 m to the east of C. Point L is 5 m to the north of K.

How far and in which direction is point B from point L?

A) 5 metres south	B) 4 metres east
C) 6 metres north	D) 3 metres west

Answer & Explanation Answer: D)

3 metres west

Explanation:

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Q:

Who is known as Deenbandhu?

A) Vinoba Bhave	B) Chitranjan das
C) C. N. Annadurai	D) C. F. Andrews

Answer & Explanation Answer: D) C. F. Andrews

Explanation:

C. F. Andrews - Charles Freer Andrews was known as Deenbandhu. He was given this name by Mahathma Gandhi for his contributions towards Indian independence.

Who_is_known_as_Deenbandhu1556519119.png image

Deenbandhu means a friend of the poor.

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Q:

When combining with nonmetallic atoms, metallic atoms generally will

A) Lose electrons and forms cations	B) Gain electrons and forms anions
C) Lose electrons and forms anions	D) Gain electrons and forms cations

Answer & Explanation Answer: A) Lose electrons and forms cations

Explanation:

When combining with nonmetallic atoms, metallic atoms generally will Lose electrons and forms cations.

As the ionization energy of te metals are very low, so they can easily lose electrons and form positively charged ion called cations.

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Filed Under: Chemistry
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