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সিরামিক উপাদানের প্রধান কাঁচামাল কোনটি ?

Ferdows blog

প্রশ্ন: সিরামিক উপাদানের প্রধান কাঁচামাল কোনটি ?

ক. NaNO3

খ. SiO2

গ. Fe2O3

ঘ. Na2CO3

উত্তর: SiO2 .

ব্যাখ্যা:

সিরামিক উপাদানের প্রধান কাঁচামাল হলো ' SiO2 ' ।

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