CSS[FPSC-U.S. Civil Service Commission]-USA/[USA] Current Affairs 2021 Set 9 MCQs :- multiple choice questions and answers. e.g CSS[FPSC-U.S. Civil Service Commission]-USA MCQS,CSS[FPSC-U.S. Civil Service Commission]-USA Mock Tests , CSS[FPSC-U.S. Civil Service Commission]-USA Practice Papers ,CSS[FPSC-U.S. Civil Service Commission]-USA Sample Test,CSS[FPSC-U.S. Civil Service Commission]-USA Sample questions

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Question 1: Quartz is a crystalline mineral composed of Silicon and _____ atoms.

Carbon

Hydrogen

Oxygen

Aluminum

Total MCQS Questions are 50 in this paper [USA] Current Affairs 2021 Set 9