Question

what is the odd one out and state the reason:
calcium carbonate,pottasium chloride, boron, iron sulphide

Answer 1

Answer:

boron is odd one out

mark me brainlest

Explanation:

which one of the following is the source region for the formation of air mass?

1.The Equatorial Forest

2.the siberian plain

3.The Himalayas

4.the deccan plateau

(Clear explanation needed)

Answer 2

Answer:

boron

Explanation:

because boron is an element and the rest of the options are compounds of different elements.