Questions

Q:

Consider the following chemical reaction :

aFe2O3(s) + bCO(g) + cFe(s) + dCO2

In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?

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

Explanation:

Fe2O3 + 3CO = 2Fe + 3CO2

Hematite + Carbon Monoxide = Iron + Carbon Dioxide

In this reaction, the iron oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 24558
Q:

How many times can you subtract 10 from 100?

A) 9 times B) 10 times
C) 1 time D) 0 times
 
Answer & Explanation Answer: C) 1 time

Explanation:

How many times can you subtract 10 from 100, for this if we go through logically, it is only 1 time. For the first time if we subtract 10 from 100, then there will no 100 to subtract from.

 

Hence, it is only 1 time we can subtract 10 from 100.

Report Error

View Answer Report Error Discuss

59 24518
Q:

Who among the following holds the office during the pleasure of President?

I. Attorney General of India

II. Governors of states

III. Comptroller and Auditor General of India

A) Only I B) Both I and II
C) Both I and III D) Both II and III
 
Answer & Explanation Answer: B) Both I and II

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Politics
Exam Prep: Bank Exams

0 24499
Q:

Which animal can create the loudest sound among any living creature?

A) Whale shark B) Gibbon
C) Humpback Whales D) Howler monkey
 
Answer & Explanation Answer: C) Humpback Whales

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Animals and Birds

325 24496
Q:

The _______ Lake of India has very high salinity

A) Sambhar (Rajasthan) B) Wular ( J & K)
C) Chilka (Orissa) D) Pulicut ( Tamil Nadu)
 
Answer & Explanation Answer: A) Sambhar (Rajasthan)

Explanation:

The Sambhar Lake of Rajasthan is about 233 sq km in extent , it is known to have a large reserves of salt in its bottom layers.

Report Error

View Answer Report Error Discuss

Filed Under: Indian Geography

76 24477
Q:

Where has the World's largest Monolithic statue of Buddha been installed

A) Bamiyan B) Hyderabad
C) Kandy D) Lhasa
 
Answer & Explanation Answer: A) Bamiyan

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian History

69 24389
Q:

When formaldehyde and potassium hydroxide are heated , we get 

A) Acetylene B) Methyl alcohol
C) Methane D) Ethyl formate
 
Answer & Explanation Answer: B) Methyl alcohol

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

147 24219
Q:

The busiest  sea route is 

A) The Mediterranean Red-Sea Route B) The South Atlantic Route
C) The North Atlantic Route D) The Pacific Route
 
Answer & Explanation Answer: C) The North Atlantic Route

Explanation:

There are Industrially most developed countries on either side of the Atlantic Ocean.

Report Error

View Answer Report Error Discuss

Filed Under: World Geography

78 24214