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Choose correct statements:...

Choose correct statements:

A

Heat resistance capacity in an organosilicone polymer decrease in the order
`Ph gt "methyl" gt "ethyl" gt n-"propyne"`

B

Ultramarines contain sulphur, phosphorus and halogens

C

Silicon carbide is made by Acheson's method

D

Silicon carbide is a three-dimensional gaint covalent molecule with hardness comparable to that of diamond

Text Solution

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The correct Answer is:
A, B, C, D
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