Question

solve the following
(SSC)
CHP .8. METALLURGY​

Answer 1

Correct Question :

Find the odd one out

1.) Bromine, Chlorine, Oxygen, Fluorine.

2.) Sodium, Potassium, Aluminum, Copper.

3.) Gold, Silver, Copper, Magnesium.

4.) Malleability, Brittleness, Luster, Ductility.

5.) Silicon, Germanium, Antimony, Sulphur.

6.)Brass, Bronze, Silver, Stainless steel.

7.) Potassium oxide, Sodium oxide, Calcium ⠀oxide, Aluminum oxide.

8.) Gold, Silver, Sodium, Platinum.

9.)Sodium chloride, Methyl chloride, Potassium oxide, Magnesium hydroxide.

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AnswEr:

Odd ones

1.) Bromine(It's the only one in Liquid form).

2.) Copper(It's the least reactive among all of them).

3.) Magnesium( It is highest reactive among all of them).

4.) Brittleness(It's a property of non metals, while others are of metal).

5.) Sulphur(It's a non metal while others are metalloids).

6.)Silver(It's a metal while others are alloys).

7.) Aluminum oxide(It has Formula in form of $\sf\ R_{2}O_{3}$ while others have in form of $\sf\ R_{2} O$).

8.) Sodium(It is highest reactive among all of them. Also, it is not used to make jewellries).

9.)Methyl chloride(It's a compound of non metal and acidic salt).

$\rule{170}2$