Match the microorganisms given in the Column A to the group to which they belong in Column B.

(a) Lactic acid - Curd (b) Acetic acid - Vinegar (c) Citric acid - Lenron (d) Oxalic acid -- Tomato

(i) The Period number to which these elements belong are Li=2nd Period Na =3rd Period K= 4th Period (ii) In a Group the chemical reactivity of metals from top to bottom increases. Lithium is least reactive. (iii)...

(i) → (c) (ii) → (a) (iii) → (d) (iv) → (b)

(i) → (b), (c) (ii) → (c), (d) (iii) → (c), (e) (iv) → (a), (d)

(i) → (c) (ii) → (a) (iii) → (b).

A-iii, B-iv; C-ii; D-i

(i)- (d), (ii)- (f), (iii)- (b), (iv)- (e), (v)- (c) 

(i) -(B) (ii) -(E) (iii) -(B) (iv) -(A) (v) -(B)

(i) → (c), (f) (ii) → (g) (iii) → (a) (iv) → (h) (v) → (d), (i) (vi) → (e), (vii) → (b

(i) → (d) (ii) → (c) (iii) → (e) (iv) → (a) (v) → (b)