Question
Which reaction represents the correct method of
extracting iron from its ore in a blast furnace?Solution
n a blast furnace, iron(III) oxide (Fe₂O₃ ) is reduced by carbon monoxide (CO) to produce iron (Fe) and carbon dioxide (CO₂ ): Fe₂O₃  + 3CO → 2 Fe + 3CO₂ This is the main reduction reaction in the extraction of iron. CO is generated in the furnace from the combustion of coke (carbon).
Each question below has two blanks, which is indicating that something has been omitted. Choose the most suitable option indicating the words that can ...
Fill in the blanks by choosing the correct connector from the alternatives given below each sentence.Â
He was late ______ it was raining heavi...
Fill in the blank with the most appropriate word.
No wonder the burglars are at large. The police is in ______ with them.
Fill in the blanks.
The members of the Esquire Club refused to admit Barney to the club due to his ______ manner of picking his nose and slur...
1) far
2) close
3) shut
4) make
5) open
1) among
2) in
3) belong
4) along
5) None of these
Select the most appropriate option to fill in the blank.
We’ll accept your application _______ you fulfil all the conditions.
It is difficult to ________ for the dizzying ________ in the value of cryptocurrencies.
She was frail and sickly and looked more _______ a hairless rat than _________ human being.
You cannot walk or drive more than a few meters in any Indian city without encountering mounds of rubbish. Even in our villages, you will find garbage b...
