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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

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Q:

I am an English word with five letters. If you remove my last four I am still pronounced the same. What am I?

Answer

An English word with five letters in which if you remove the last four letters, still pronounced the same is QUEUE.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE
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90 14460
Q:

This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.

A) George Washington B) Alexander Hamilton
C) John Adams D) Thomas Jefferson
 
Answer & Explanation Answer: D) Thomas Jefferson

Explanation:

 Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).

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Filed Under: Inventions

33 14454
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
Exam Prep: Bank Exams

0 14453
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:

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

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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
 
Answer & Explanation Answer: B) PQR

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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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

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