Column-I		Column-II
I.	$\mathrm{B}-10$	A)	Flux in soldering
II.	${\mathrm{H}}_3{\mathrm{BO}}_3$	B)	Thermite welding
III.	${\mathrm{Na}}_2{\mathrm{B}}_4{\mathrm{O}}_7.10{\mathrm{H}}_2\mathrm{O}$	C)	Neutron absorber
IV.	$\mathrm{Al}$	D)	Antiseptic to eye infections

• A

  I-C; II-A; III-B; IV-D

• B

  I-C; II-D; III-A; IV-B

• C

  I-C; II-A; III-D; IV-B

• D

  I-A; II-C; III-D; IV-B