Question

State whether given statement is true / false : i. The process of obtaining metal in its free state from its ore is called ‘Refining of ore “ ii. Aluminium is the most abundant metal in the earth’s crust. iii. Iodine is the only metal which has lustre. iv. Gold is the only metal that occurs in native state. v. Silicon is the element that has properties of metals as well as non- metal.​

Answer 1

Answer:

(1) FALSE

(2) TRUE

(3) FALSE

(4) TRUE

(5) TRUE

Explanation:

1st one:the process is called metallurgy

2nd: It is true that aluminum is the most abundant metal

3rd:iodine is not a metal it is a non metal who have lustre

4th:Gold and platinum also appear in their native state

5th:Yes Silicon have the propeties of metals and non metals

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Answer 2

Answer:

1= false

2= true

3=false

4= true

5= true