Question

Please tell the answer of above question
I will mark your answer as brainlist ​

Answer 1

1)graphite is used as lubricant bcoz it is slippery in nature.It is slippery bcoz weak force of attraction which is vander wall force of attraction.

2) although diamond is non-metal,but it is the most hardest substance bcoz of strong ,internal bond between the carbon atoms from which it is

formed.

hope it helps you dude

Answer 2

Explanation:

1. graphite is used as lubricant because it is slippery nature It is slippery because weak force of attraction which is vanderwall force of attraction
2. although diamond is non metal but it is the most hardest substance because strong internal bond between the carbon atom from which it is formed