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Chemistry CBSE Live product
Class 8
Nature of matter: Elements, compounds and mixtures
Revision III - Nature of matter: Elements, compounds and mixtures
9.
Minerals: Properties and classification
Question:
3
m.
Answer the following questions:
1.
Write a note on minerals and their classification.
i.
Name the two types of minerals with on example each.
Metallic and non-metallic minerals
Non-metallic and semi-metallic minerals
Metallic and molten minerals
Metallic and gaseous minerals
Example:
Metallic - iron; non-metallic - mica
Metallic - carbon; non-metallic - mica
Metallic - limestone; non-metallic - gold
Metallic - mica; non-metallic - gypsum
ii.
What is the appearance of non-metallic minerals?
Non-metallic minerals appears to be soft and shiny
Non-metallic minerals appears to be hard and dull
Non-metallic minerals appears to be hard and shiny
Non-metallic minerals appears to be soft and dull
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