Sawaal

  Questions

Popular Latest Rated
Q:

Which reaction occurs spontaneously?

A) Cl2(g) + 2NaF(aq)--> F2(g) + 2NaCl(aq) B) I2(s) + 2NaF(aq)--> F2(g) + 2NaI(aq)
C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq) D) I2(s) + 2NaBr(aq)--> Br2(l) + 2NaI(aq)
 
Answer & Explanation Answer: C) Cl2(g) + 2NaBr(aq)-->Br2(l) + 2NaCl(aq)

Explanation:

In this chemical reaction chlorine change oxidation number from 0 to -1 (reduction) and bromine change oxidation number from -1 to 0 (oxidation).

Chlorine is stronger oxidation reagent than bromine.

In VIIA or group 17 (halogen elements) there are six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and tennessin(Ts).

They have high electronegativity because they have seven valence electrons in their outermost energy level, so they can gain an electron to have the octet rule.  

Going down in the group, element are weaker oxidazing reagent and less reactive.

Report Error

View Answer Report Error Discuss

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

2 4261
Q:

What is cross - selling and up - selling?

Answer

An up - selling is getting the customer to spend more money, buy a more expensive model of the same type of product, or add features or warranties that relate to the product viewed or purchased. 


A cross - sell is to get the customer to spend more money by adding more products from other categories than the product being viewed or purchased. 

Report Error

View answer Workspace Report Error Discuss

Subject: Marketing and Sales

1 4261
Q:

Which one of the following can be oxidised to the corresponding carbonyl compound:

A) 2-methyl-2-hydroxy propane B) 2-hydroxy propane
C) o-Nitrophenol D) Phenol
 
Answer & Explanation Answer: B) 2-hydroxy propane

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

12 4260
Q:

As alcohol use continues, the voluntary motor system becomes impaired.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:
Report Error

View Answer Workspace Report Error Discuss

Subject: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk

2 4259
Q:

Chloroform used as anaesthetic should be preserved in the dark in tightly stoppered bottles because otherwise

A) it becomes coloured B) it gets evaporated in air
C) it gets oxidised to phosgene D) it gets decomposed to chloropicrin
 
Answer & Explanation Answer: C) it gets oxidised to phosgene

Explanation:

Chloroform, CHCl3 is easily oxidised to the highly poisonous gas known as phosgene or carbonyl chloride COCl2. Hence if it is used as anaesthetic it should be kept free from sunlight and air.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

9 4259
Q:

Telangana region represents one of the following types of vegetation?

A) Tropical deciduous B) Thorn
C) Tropical ever green D) Sub - tropical decidual
 
Answer & Explanation Answer: B) Thorn

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography

5 4259
Q:

Rearrange the parts of the sentence in correct order.

The debate

P : on allowing euthanasia to

Q : protect the dignity of patients in a

R : vegetative state has become a key question

 

A) PRQ   B)  RPQ  
C)  QRP   D) PQR
 
Answer & Explanation Answer: D) PQR

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 4259
Q:

Explain hospitality in terms of hotel industry ?

Answer

Hospitality actually means, taking care of guests in the best possible way.


Organizing, providing services and looking care after guests is included in it.


It means friendly and generous treatment of guests. 


Hospitality industry includes all companies involved in providing services for guests. They provide more mental satisfaction than tangible objects.

Report Error

View answer Workspace Report Error Discuss

Subject: Hospitality

12 4259