Hydrolysis of HCN gives

1.  Formic acid

2.  Oxalic acid

3.  Urea

4.  Formamide

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4
Correct Answer :

Formic acid


Explanation :
No Explanation available for this question

Methyl magnesium chloride on reaction with acetyl chloride gives

1.  Ethanol

2.  Diethyl ether

3.  Acetone

4.  Acetaldehyde

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4
Correct Answer :

Acetone


Explanation :
No Explanation available for this question

Electromagnetic separation is used in the concentration of

1.  Copper pyritcs

2.  Bauxite

3.  Cassiterite

4.  Cinnabar

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4
Correct Answer :

Cassiterite


Explanation :
No Explanation available for this question

The most common contituent of steel is

1.  C

2.  O

3.  Cr

4.  S

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4
Correct Answer :

C


Explanation :
No Explanation available for this question

Which of the following is not an ore

1.  Bauxite

2.  Malachite

3.  Zinc blende

4.  Pig iron

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4
Correct Answer :

Pig iron


Explanation :
No Explanation available for this question

Rolled gold contains

1.  Cu and Al

2.  Cu and Al

3.  Au andCu

4.  Cu and Sn

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4
Correct Answer :

Cu and Sn


Explanation :
No Explanation available for this question

Ilmenite is a mineral of

1.  In

2.  Ti

3.  Al

4.  Cr

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4
Correct Answer :

Ti


Explanation :
No Explanation available for this question

Steel contains

1.  Fe + C + Mn

2.  Fe + C + Al

3.  Fe + Mn

4.  Fe + Mn + Cr

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4
Correct Answer :

Fe + C + Mn


Explanation :
No Explanation available for this question

Parkes process is used in the extraction of

1.  Zn

2.  Fe

3.  Ag

4.  Na

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4
Correct Answer :

Ag


Explanation :
No Explanation available for this question

Smelting is the process of reduction of metal oxide by

1.  C

2.  Al

3.  H

4.  CO

View Answer  
4
Correct Answer :

C


Explanation :
No Explanation available for this question
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