Correlate the items listed in Column I with those listed in Column II. Find out as many correlations as you can.

Column I

Column II

(i) Synthesis gas

a. Na₂[Na₄(PO₃)₆]

(ii) Dihydrogen

(b) Oxidising agent

(iii) Heavy water

(c) Softening of water

(iv) Calgon

(d) Reducing agent

(v) Hydrogen peroxide

(e) Stoichiometric compounds of s-block elements

(vi) Salt like hydrides

(f) Prolonged electrolysis of water

(g) Zn + NaOH

(h) Zn + dil. H₂SO₄

(i) Synthesis of methanol

(j) Mixture of CO and H₂

4 Views|Posted 8 months ago

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8 months ago

This is a matching answer type question as classified in NCERT Exemplar

(i) → (j); (ii) → (h); (iii) → (f) : (iv) → (a); (v) → (b); (vi) → (e)

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Column I	Column II
(i) Synthesis gas	a. Na₂[Na₄(PO₃)₆]
(ii) Dihydrogen	(b) Oxidising agent
(iii) Heavy water	(c) Softening of water
(iv) Calgon	(d) Reducing agent
(v) Hydrogen peroxide	(e) Stoichiometric compounds of s-block elements
(vi) Salt like hydrides	(f) Prolonged electrolysis of water
	(g) Zn + NaOH
	(h) Zn + dil. H₂SO₄
	(i) Synthesis of methanol
	(j) Mixture of CO and H₂