Q:

Which compound contains ionic bonds?

A) CaO	B) CO2
C) NO2	D) NO

Answer & Explanation Answer: A) CaO

Explanation:

An ionic bond is a chemical bond between two atoms in which one atom seems to donate its electron to another atom.

Here in the given compounds, the compound that contains ionic bond is CaO, Calcium oxide.

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Q:

Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes

A) 2R	B) R/2
C) 5R/4	D) 3R/4

Answer & Explanation Answer: C) 5R/4

Explanation:

So, resistance of Wire 2 is R/4 as radius is half of wire 1, so area would be 4 times of wire 1.

Now for resistance in series. R= R1 + R2.

Therefore, Final R= R + R/4 = 5R/4

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Exam Prep: Bank Exams

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Q:

The international crisis in 2014 between Russia and Ukraine belongs to which of the following place ?

A) Crimea	B) Abkhazia
C) Georgia	D) Keev

Answer & Explanation Answer: A) Crimea

Explanation:

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Filed Under: World History

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Q:

Rockr, a cell phone from Motorola that uses Apple's iTunes software and stores up to 100 songs in its Flash memory, has been launched by

A) Nokia	B) Samsung
C) Motorola	D) Bird

Answer & Explanation Answer: C) Motorola

Explanation:

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Q:

In 1994,the African National Congress won the elections in South Africa under the leadership of

Answer

Nelson Mandela

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Subject: World History

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Q:

Which statement best describes the electronegativity of an element?

A) Electronegativity of an atom is it's ability to produce energy while losing an electron.	B) Electronegativity of an atom is it's ability to attract electrons during bond formation.
C) Electronegativity of an atom is it's ability to lose electrons during cation formation.	D) Electronegativity of an atom is it's ability to share electrons during a covalent bond formation.

Answer & Explanation Answer: B) Electronegativity of an atom is it's ability to attract electrons during bond formation.

Explanation:

Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

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Q:

Who amongst the following are the most literate in India as per 2001 Census

A) Buddhists	B) Christianity
C) Jains	D) Sikkims

Answer & Explanation Answer: C) Jains

Explanation:

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Filed Under: Indian Economy

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Q:

Many time we read in financial newspaper about the performance of the Core Sector in Economy. Which of the following is NOT included in the core sector of the same

A) Coal	B) Cement
C) Steel	D) Auto Sector

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