Question

Choose the most appropriate answer ​

Answer 1

Answer:

(1):a. They are hard solids.

(2):c.as sulphate ore

(3): d.sodium

(4): d.calcium

(5): b

(6): a

(7): a

(8): a

(9): c

Explanation:

it can be your answer.

and if they are wrong then please give me sorry.