Match column – I with column II column I column IIi)NaHCO3p)Used for disinfecting waterii)Na2CO3q)Used in soda acid fire extinguishersiii)CaOCl2r)Used for removing permanent hardness of wateriv)CaSO4⋅12H2Os)Used for making toys, materials for decoration iiiiiiiv1.qrps2.rspq3.pqrs4.srpq

(i) NaHCO3 - Used in soda acid fire extinguisherii) Na2CO3 - Used for removing permanent hardness of wateriii) CaOCl2 - Used for disinfecting wateriv) CaSO4⋅12H2O - Used for making toys, materials for decoration

Match column – I with column II column I column IIi)NaHCO3p)Used for disinfecting waterii)Na2CO3q)Used in soda acid fire extinguishersiii)CaOCl2r)Used for removing permanent hardness of wateriv)CaSO4⋅12H2Os)Used for making toys, materials for decoration iiiiiiiv1.qrps2.rspq3.pqrs4.srpq

(i) NaHCO3 - Used in soda acid fire extinguisherii) Na2CO3 - Used for removing permanent hardness of wateriii) CaOCl2 - Used for disinfecting wateriv) CaSO4⋅12H2O - Used for making toys, materials for decoration

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Match column – I with column II
column I column II
i) NaHCO₃ p) Used for disinfecting water
ii) Na₂CO₃ q) Used in soda acid fire extinguishers
iii) CaOCl₂ r) Used for removing permanent hardness of water
iv) ${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$ s) Used for making toys, materials for decoration
i ii iii iv
1. q r p s
2. r s p q
3. p q r s
4. s r p q

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(i) NaHCO₃ - Used in soda acid fire extinguisher
ii) Na₂CO₃ - Used for removing permanent hardness of water
iii) CaOCl₂ - Used for disinfecting water
iv) ${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$ - Used for making toys, materials for decoration

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	column I		column II
i)	NaHCO₃	p)	Used for disinfecting water
ii)	Na₂CO₃	q)	Used in soda acid fire extinguishers
iii)	CaOCl₂	r)	Used for removing permanent hardness of water
iv)	${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$	s)	Used for making toys, materials for decoration

	i	ii	iii	iv
1.	q	r	p	s
2.	r	s	p	q
3.	p	q	r	s
4.	s	r	p	q

Match column – I with column II column I column IIi)NaHCO3p)Used for disinfecting waterii)Na2CO3q)Used in soda acid fire extinguishersiii)CaOCl2r)Used for removing permanent hardness of wateriv)CaSO4⋅12H2Os)Used for making toys, materials for decoration iiiiiiiv1.qrps2.rspq3.pqrs4.srpq

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