Pig-iron is brittle because it contains
...Pig-iron is brittle because it contains
a high percentage of carbon as impurity
calcium trioxosilicate (IV)
unreacted haematite
undecomposed limestone
Correct answer is A
No explanation has been provided for this answer.
The two elements 11X and 19Y are in the same group because they have the same...
Elements X and Y have electronic configurations 1s\(^2\)2s\(^2\)2p\(^4\) and 1s\(^2\)2s\(^2\)2p...
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The reaction of an alkanol with alkanioc acid is known as ...
Steam changes the colour of anhydrous cobalt (ll) chloride from ...
Which of the following is NOT a fraction of petroleum? ...