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Q:

What does one mole of H2O correspond to

A) 16 gms B) 18 gms
C) 20 gms D) 22 gms
 
Answer & Explanation Answer: B) 18 gms

Explanation:

The molar mass of H2O can be calculated as the following.

M(H2O)= [2 x M(H)] + [M(O)].

And we know that M(H) = 1g/mol, M(O) = 16g/mol.

So, M(H2O)= 2x1 + 16 = 18g/mol,

That means 1 mole of H2O contains 18g.

 

Hence, one mole of H2O corresponds to 18 grams.

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

6 7013
Q:

If 3$8 = -50, 3$5 = -20 and 2$3 = -10, then find the value of 9$1 = ?

 

A) 10   B) -20  
C) 90   D) 80
 
Answer & Explanation Answer: D) 80

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams

1 7009
Q:

Which of the statements given below are correct?


A) Rafael Nadal won the Tennis 2017 French Open Men's Singles.


B) In 2017, Valentino Rossi raced in MotoGP for Ducati.


C) In 2017, Marc Márquez raced in MotoGP for Honda.

 

A) Only A B) Only B
C) Both A and C D) A, B and C
 
Answer & Explanation Answer: C) Both A and C

Explanation:
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Filed Under: Sports
Exam Prep: Bank Exams

0 7007
Q:

The 'noble tradition' was related to which of the following the dynasties?

 

A) Pal B) Pratihara
C) Rashtrakuta D) Sen
 
Answer & Explanation Answer: D) Sen

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

1 7007
Q:

Select the antonym of

magnate

 

A) mogul B) tycoon
C) aristocrat D) nonentity
 
Answer & Explanation Answer: D) nonentity

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 7007
Q:

When does the condition 'rendezvous' arise?

Answer

In message passing, it is the condition in which, both, the sender and receiver are blocked until the message is delivered.

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Subject: Operating Systems

12 7006
Q:

 When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

A) LIKE only. B) IN only.
C) NOT IN only. D) Both IN and NOT IN.
 
Answer & Explanation Answer: D) Both IN and NOT IN.

Explanation:
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Filed Under: Database

2 6997
Q:

The first Sultan to adopt the principle of measurement of cultivable land for determining the land revenue was

A) Ghiyas - ud- din -Tughluq B) lltutmish
C) Ala-ud-din Khalji D) Balban
 
Answer & Explanation Answer: C) Ala-ud-din Khalji

Explanation:
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Filed Under: Indian History

6 6996