Online Mcq Question Mock Test In Bengali 2

Online Mcq Question Mock Test In Bengali 2 for railway all exam, Alp, Group d, ntpc, rpf, or bank, psc, ssc, wbp quiz Update

1. জলের রাসায়নিক নাম কি -

A. (1 - 2)mg/L

B. (4 - 6) mg/L

C. (8 - 10)mg/L

D. (12 - 15)mg/L

B. (4 - 6) mg/L