Q:

Skating on ice is possible because

A) the surface of ice is smooth	B) ice is cold
C) the pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water	D) the pressure on the ice due to skate raises its melting point

Answer & Explanation Answer: C) the pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water

Explanation:

Here is a case of lowering of melting point of ice with increase of pressure

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Filed Under: Physics

51 14447

Q:

Plaster of Paris ______.

I. changes into gypsum on mixing with water

II. is CaSO4.2H2O

III. is used for decoration

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: B) Only I and III

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 14446

Q:

Who is the planet moving in the opposite direction than other planets in Solar System?

A) Neptune	B) Pluto
C) Uranus	D) Saturn

Answer & Explanation Answer: C) Uranus

Explanation:

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Filed Under: General Science
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0 14443

Q:

Match List -I with List -II and select the correct answer using the code given below the Lists :

List -I List-II

(Compound/Molecule) (Shape of Molecule)

A. CH3F 1. Trigonal planar

B. HCHO 2. Tetrahedral

C. HCN 3. Trigonal pyramidal

D. NH3 4. Linear

A) 2 4 1 3	B) 2 1 4 3
C) 3 4 1 2	D) 3 1 4 2

Answer & Explanation Answer: B) 2 1 4 3

Explanation:

HCHO: The carbon and and the oxygen are bonded through a double bond which counts as "one electron pair". Hence the molecule has three electron pairs and is trigonal planar.

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Filed Under: Chemistry
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0 14441

Q:

Ultrasonic waves are used for stirring liquid solutions because they

A) do not produce noise during the operation	B) are easy to produce
C) can produce perfectly homogeneous solutions	D) do not produce chemical reactions in the solution

Answer & Explanation Answer: C) can produce perfectly homogeneous solutions

Explanation:

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Filed Under: Physics

87 14440

Q:

Which High Court for the first time in India declared "Bandh" as illegal

A) Allahabad High Court	B) Gujarat High Court
C) Kerala High Court	D) Rajasthan High Coutrt

Answer & Explanation Answer: C) Kerala High Court

Explanation:

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Filed Under: Indian Politics

24 14433

Q:

Improve the bracketed part of the sentence.

The air hostess gave me a cup (which had) coffee.

A) containing	B) filled with
C) of	D) no improvement

Answer & Explanation Answer: C) of

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 14422

Q:

Rearrange the parts of the sentence in correct order.

Developing countries

P-should question the rationale
Q-for such a registry ahead
R-of a negotiated outcome on this issue

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

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