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

Lucas reagent is:

1

Conc. HCl + ZnCl₂

2

Dil.HCl + ZnCl₂

3

H₂SO₄ + ZnCl₂

4

Conc. HCl + Zn

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