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Why pure gold is not suitable for making ornaments?

Important Questions on Minerals and Metals

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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility

Given below are two statements.

Statement I : Pig iron is obtained by heating cast iron with scrap iron.

Statement II : Pig iron has a relatively lower carbon content than that of cast iron.

In the light of the above statements, choose the correct answer from the options given below.

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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
The form of iron obtained from blast furnace is :
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
The reason for using Aluminium in the alloy duralumin is:
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Which is used for manufacture of steel?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Write a short note on Alloying. 
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Identify the correct statement from the following:
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Fill in the blanks: 
Alloys are a _____ mixture of two or more metals or metals and non-metals.
 
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Which among the following reactions occurs at zone of slag formation in the process of extraction of iron by blast furnace?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
The iron obtained from the blast furnace is called:
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Which of the following is regarded as the hardest coal?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Answer the question: A type of iron which has 4% carbon content.
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
The form of iron obtained from blast furnace is:
HARD
Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Is the amount of carbon in pig iron/cast iron more than, less than or the same as the amount of carbon in steel?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Explain in detail the processes involved in the production of pig iron and steel.
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Which one of the following forms of iron can give other forms of iron ?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility

Write names.

Alloy of sodium with mercury.

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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Write the three forms of iron and give reason, why they are different from each other?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
What are the various alloys used in daily life? Where are those used?
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Steel is an alloy of iron and :
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Science>Chemistry>Minerals and Metals>Alloys - Speciality and Utility
Which of the following is not ore ?