Q1 of 7 Page 43

Multiple choice question.

Which one of the following is the hardest mineral?


Diamond is the hardest material because of its cage like structure.

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1

Multiple choice question.

Which one of the following is the salient feature of metamorphic rocks?


 1

Multiple choice question.

Which one of the following is not a single element mineral?


 1

Multiple choice question.

Which one of the following is not a sedimentary rock?


 2

Answer the following questions in about 30 words.

(i) What do you mean by rocks? Name the three major classes of rocks.


(ii) What is an igneous rock? Describe the method of formation and characteristics of igneous rock.


(iii) What is meant by sedimentary rock? Describe the mode of formation of sedimentary rock.


(iv) What relationship explained by rock cycle between the major type of rock?