Sawaal

  Questions

Popular Latest Rated
Q:

Improve the bracketed part of the sentence

 

Vikram (insist that) he was innocent.

 

A) insisted on that B) insisted that
C) insisted on D) no improvement
 
Answer & Explanation Answer: B) insisted that

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 4249
Q:

Which of the following is the largest phyllum in the animal kingdom in respect of number of species

A) Annalida B) Platyhelminthes
C) Chordata D) Arthropoda
 
Answer & Explanation Answer: D) Arthropoda

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology

43 4248
Q:

The atoms of the elements having same mass number but different atomic number are called

A) Isotopes B) Isobars
C) Isotones D) Isomers
 
Answer & Explanation Answer: B) Isobars

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

6 4248
Q:

Which of the statements given below are correct?

1. The author of the novel 'Fellside' is Victor LaValle.
2. The author of the novel 'A Head Full of Ghosts' is M.R Carey.
3. The author of the novel 'Brave New World' is Aldous Huxley.

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Books and Authors
Exam Prep: Bank Exams

0 4246
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 4245
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 4244
Q:

The Buckingham Canal, which has been declared a National Waterway of India recently, is a canal running from

A) Punjab to Haryana B) Mumbai to goa
C) Vijayawada to Villupuram D) Cochin to Kozhikode
 
Answer & Explanation Answer: C) Vijayawada to Villupuram

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

3 4243
Q:

Select the antonym of

 

demon

 

A) spectre B) angel
C) shadow D) zombie
 
Answer & Explanation Answer: B) angel

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: English
Exam Prep: Bank Exams

0 4243