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সানস্ক্রিন লোশন তৈরিতে কোন ন্যানো পার্টিকেল ব্যবহৃত হয় ?

Ferdows blog

প্রশ্ন: সানস্ক্রিন লোশন তৈরিতে কোন ন্যানো পার্টিকেল ব্যবহৃত হয় ?

ক. ZnO

খ. CuO

গ. Na2O

ঘ. Al2O3

উত্তর: (ক) ZnO .

ব্যাখ্যা:

সানস্ক্রিন লোশন তৈরিতে ' ZnO ' ন্যানো পার্টিকেল ব্যবহৃত হয় ।

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