Questions

Q:

Which  of  the  following  substances  cause temporary hardness in water?

1. Mg(HCO3)2

2. Ca(HCO3)2

3. CaCl2

4. MgSO4

A) 3 and 4 B) 2and 3
C) 1 and 4 D) 1 and 2
 
Answer & Explanation Answer: D) 1 and 2

Explanation:

There are two types of water hardness: temporary and permanent hardness. Temporary hardness is due to the presence of calcium hydrogen carbonate Ca(HCO3)2(aq) and magnesium hydrogen carbonate Mg(HCO3)2(aq).

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 45522
Q:

Name the vitamin whose deficiency causes excessive bleeding?

 

A) Vitamin A B) Vitamin B
C) Vitamin K D) Vitamin C
 
Answer & Explanation Answer: C) Vitamin K

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

0 45467
Q:

Fill in the blank with the most appropriate option.

 

Ethanol is denatured to ___.

 

A) make it unsuitable for drinking B) make it suitable for drinking
C) increase its stability D) make it suitable as an antiseptic
 
Answer & Explanation Answer: A) make it unsuitable for drinking

Explanation:
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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

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Q:

Storage capacity of magnetic disk depends on

A) disk pack in disk surface B) tracks per inch of surface
C) bits per inch of tracks D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on 

1. tracks per inch of surface

2. bits per inch of tracks

3. disk pack in disk surface

 

It can be shown as ::

 

magnetic_disc1532069041.jpg image

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136 45255
Q:

What is the capital of Ghana?

 

A) Banjul B) Bishkek
C) Accra D) Ankara  
 
Answer & Explanation Answer: C) Accra

Explanation:

The capital of Ghana is Accra and its currency is Ghanaian Cedi.

 

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Filed Under: Country Capitals
Exam Prep: Bank Exams

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Q:

With reference to earthquakes, which of the following statements are correct?

A. Earthquakes largely occur along the converging plate boundaries.

B. Point of origin of earthquake in lithosphere is known as focus/hypocenter.

C. Intensity of earthquake decreases with distance from the epicenter.

D. Epicentre of earthquake always remains over continents only.

Select the correct answer using the code given below.

A) 1 and 2 only B) 1, 2 and 3
C) 2 and 3 only D) 1 and 4
 
Answer & Explanation Answer: B) 1, 2 and 3

Explanation:

Epicentre of Earthquakes can be over both oceanic and continental surface. Epicentres above oceanic surface are cause of tsunamisof large intensity. Anearthquake's hypocentreis the position where the strain energy stored in the rockis first released, marking thepointwhere the fault begins to rupture.

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Filed Under: General Science
Exam Prep: Bank Exams

2 45186
Q:

Which of the following has highest penetration power?

 

A) α– radiations   B) β– radiations  
C) γ– radiations   D) All have same penetration power.  
 
Answer & Explanation Answer: C) γ– radiations  

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Logical puzzle

There are three boxes in a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies. The first box says 'The Gold is not here'. The Second box says 'The Gold is not here'. The Third box says 'The Gold is in the Second box'. Which box has the Gold?

Answer

As the message contains one truth, the third says that the gold is in the second box, if it is to be true, then the first box message will also become true. So Gold cannot be in second and third boxes. Gold is in the first box.

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Subject: Logic Puzzles

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