Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 General Science Chemistry Equilibrium

Number of (OH^-) in 1 ml solution of pH = 13 is

1

1 × 10^-13

2

6.00 × 10⁷

3

6.00 × 10¹³

4

6.02 × 10¹⁹

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