Question

A. Choose the most appropriate answer.
1. Which of the following is true for all metals?
a. They are hard solids.
b. They have high melting and boiling points.
c. They have 1-3 valence electrons. d. They are malleable and ductile.
2. Gold normally occurs in nature
a. in free state. b. as carbonate ore. c. as sulphate ore. d. as sulphide ore.
3. Which of these is the most reactive metal?
a. magnesium
b. gold
c. platinum
Let sodium
4. Which of these metals cannot displace hydrogen from a dilute acid?
a. iron
b. zinc
c. silver
d. calcium
5. Which one of the following alloys is light and strong?
2. brass
bstainless steel c. duralium
d. bronze​

Answer 1

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Answer 2

Explanation:

1-a

2-c

3-a

4-b

5-brass is light & stainless steel is strong

note: plz correct the spelling of bstainless steel to stainless steel

have a nice day mate and happy new year

: )