Question

Name one metal and one non - metal which normally exist in liquid state.

State the fraction of gold present in 18 carat gold.

Answer 1

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HERE'S YOUR ANSWER

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Lesson :- Metals And Non - Metals

Classification of Elements :-

Elements are broadly classified into two groups , viz . metals and non - metals . This classification is done on the basis of their physical and chemical properties .

Mineral :- A naturally occurring inorganic substance found deep under the Earth's surface is called mineral .

Ore :- A mineral from which one or more metals can be profitably extracted is called ore .

Question 1 :- Name one metal and one non - metal which normally exist in liquid state .

Answer :- Mercury which is a metal and Bromine which is a non - metal .

These exist in liquid state .

Question 2 :- State the fraction of gold present in 18 carat gold .

Answer :- Fraction of the gold in 18 carat gold

=> 18 / 24

=> 3 / 4

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