Identification Methods | MCQs

    Q1: Which of the following is a compound?

    مندرجہ ذیل میں سے کون سا مرکب ہے؟
    • A. None of these
    • B. Cl
    • C. O₂
    • D. NaCl

    Q2: _____ is the expression which has fixed value_____?

    • A. Algebraic expression
    • B. Variables
    • C. Constant
    • D. common expression
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