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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Q:

What causes brownian motion in colloids?

A) coagulation of particles and the dispersed phase	B) erratic flashes of light
C) molecules of the dispersion medium colliding with dispersed phase particles	D) All the above

Answer & Explanation Answer: C) molecules of the dispersion medium colliding with dispersed phase particles

Explanation:

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

This leads to the zig-zag (random) motion of the colloidal particles.

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Q:

Improve the bracketed part of the sentence.

I went to sleep last night, (almost as soon as) my head hit the pillow.

A) no sooner then	B) as quickly as
C) almost as quickly as	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Filed Under: English
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Q:

Select the antonym of

to brood

A) to repine	B) to ignore
C) to fret	D) to mope

Answer & Explanation Answer: B) to ignore

Explanation:

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Q:

Match the characteristics with their market structure:

(a) demand will tend to be inelastic
(b) Firm has control over quantity of output but it must take into account reactions of competitors

A) (a) Pure Monopoly, (b) Oligopoly	B) (a) Pure Monopoly, (b) Monopolistic Competition
C) (a) Pure Competition, (b) Oligopoly	D) (a) Monopolistic Competition, (b) Pure Competition

Answer & Explanation Answer: A) (a) Pure Monopoly, (b) Oligopoly

Explanation:

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Q:

Chola Empire was divided into ____

A) Mandalams, Nadu, Avanti & Kurram	B) Mandalams, Nadu, Malkhand & Kurram
C) Avanti, Nadu, Malkhand & Kurram	D) Mandalams, Nadu,Kurram & Valanadu

Answer & Explanation Answer: D) Mandalams, Nadu,Kurram & Valanadu

Explanation:

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Q:

Rearrange the parts of the sentence in correct order

It is becoming

P-increasingly clear that anyone
Q-of freedom, justice and equality is seen as a threat
R-who dares to raise issues

A) RPQ	B) QRP
C) PRQ	D) QPR

Answer & Explanation Answer: C) PRQ

Explanation:

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Q:

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

A) Golf tee	B) Motorboat
C) Water skis	D) Hang glider

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