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

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Q:

The weight of an object will be minimum when it is placed at  ?

A) The North Pole B) The South Pole
C) The Equator D) The center of the Earth
 
Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
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240 44909
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
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Q:

5F on H means

Answer

The given letter equation 5F on H means that 5 Fingers on a Hand.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

96 44842
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
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Q:

Which of the following is not written by Munshi Premchand

A) Gaban B) Godan
C) Manasorovar D) Guide
 
Answer & Explanation Answer: D) Guide

Explanation:
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Filed Under: Books and Authors

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Q:

Bao dhaan is a variety of rice cultivated in which Indian state?

 

A) Assam B) Haryana
C) Telangana D) Odisha
 
Answer & Explanation Answer: A) Assam

Explanation:
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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

What is black when you buy it, red when you use it, and gray when you throw it away?

A) Shoe B) Charcoal
C) Belt D) All the above
 
Answer & Explanation Answer: B) Charcoal

Explanation:

What_is_black_when_you_buy_it,_red_when_you_use_it,_and_gray_when_you_throw_it_away1557491056.jpg image

It is Charcoal which is black when we buy it or when not being used. It gets red in appearance when put in use means to say when burning. And eventually when it's been consumed by fire or after getting burned out or used up, changes into ashes which look grey in color.

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

145 44598