Question

which is the hardest chapter in +1 chemistry
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Answer 1

Answer:

(PhysOrg.com) -- Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride (w-BN) has a greater indentation strength than diamond.

Answer 2

Explanation:

all are easy only u need to understand

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