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Q:

Which of the following is not soluble in water?

A) copper(II) hydroxide B) sodium chloride
C) silver nitrate D) potassium sulfate
 
Answer & Explanation Answer: A) copper(II) hydroxide

Explanation:

Sodium chloride:

The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.

 

Silver nitrate:

It is soluble because all nitrates are soluble, without exception.

 

Potassium sulfate:

It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.

 

Copper (II) hydroxyde:

It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

As per the Census of 2001, the least urbanised State of India is

A) Arunachal Pradesh B) Assam
C) Himachal Pradesh D) Uttar Pradesh
 
Answer & Explanation Answer: C) Himachal Pradesh

Explanation:
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Filed Under: Indian Economy

1 2531
Q:

 In enterprise data modeling, which is incorrect?

A) You review current systems. B) You implement the new database.
C) You describe the data needed at a very high level of abstraction. D) You plan one or more database development projects.
 
Answer & Explanation Answer: B) You implement the new database.

Explanation:
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Filed Under: Database

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Q:

The disease Goitre is caused in persons who do not have in their diet sufficient

A) calcium B) sodium
C) iodine D) iron
 
Answer & Explanation Answer: C) iodine

Explanation:

Goitre is characterized by the swelling of the neck region. This is due to the enlargement of the thyroid gland which secretes hormone thyroxine. Thyroxine has iodine as an integral part of it. If there is not sufficient iodine in one's  diet, the thyroid gland swells up.

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Filed Under: Biology

5 2530
Q:

Which day is celebrated as United Nations day every year

A) 7th April B) 25th August
C) 24th October D) 27th December
 
Answer & Explanation Answer: A) 7th April

Explanation:
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Filed Under: Important Days and Years

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Q:

Example:$800 is invested at 7% for 6 years.Find the interest compounded anually?

A) 400.58 B) 300.58
C) 200.58 D) 100.58
 
Answer & Explanation Answer: A) 400.58

Explanation:

M=P(1+i)^n

 

I=M-P

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

0 2529
Q:

Frictional force acts in 

A) the same direction as the motion B) the opposite direction of the motion
C) all the directions D) upward direction
 
Answer & Explanation Answer: B) the opposite direction of the motion

Explanation:

It is to overcome this opposite frictional force , that  we have to apply the needed force to make the body move

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Filed Under: Physics

3 2529
Q:

The number of Union Territories in India is

A) 5 B) 6
C) 7 D) 9
 
Answer & Explanation Answer: C) 7

Explanation:
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Filed Under: Indian Politics

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