Gold and diamond are mainly used to make —

এই অধ্যায়ের আরও প্রশ্ন

• C-08-Q115Gas, coal and petroleum are used as —
• C-08-Q116Minerals are usually —
• C-08-Q117Graphite and diamond have the same chemical composition but differ in —
• C-08-Q118The softest mineral is —
• C-08-Q119The hardest mineral is —
• C-08-Q120Talc is used to manufacture —
• C-08-Q121Graphite is used as —
• C-08-Q122Most metallic minerals show lusture similar to —
• C-08-Q123Specific gravity range of most minerals is —
• C-08-Q124Cleavage of a mineral indicates —