Give two important uses of zinc metal.

Important Questions on General Principles and Processes of Isolation of Elements

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 65

Name three different forms of iron.

MEDIUM

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 66

Out of cast iron and wrought iron, which one is more malleable?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 67

Which metal is present in chlorophyll?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 67

Which metal is present in hemoglobin?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 68

Name the elements that are recovered commercially from sea water.

HARD

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 69

What is 'spiegel'? When is it used?

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 70

Name a noble metal and a metalloid.

EASY

12th West Bengal Board

IMPORTANT

NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 6 - General Principles and Processes of Isolation of Elements>REVIEW EXERCISES>Q 71

Give one example each of a liquid metal and a noble metal.