রসায়ন ১ম পত্র • Barishal Board • বরিশাল বোর্ড ২০১৬

রসায়ন ১ম পত্র প্রশ্ন

1. ক

   HCl(aq)+NaOH(aq)→Nacl(aq)+H2O(l)HCl\left(aq\right)+NaOH\left(aq\right)\to Nacl\left(aq\right)+H_2O\left(l\right)

2. খ

   12H2SO4(aq)+KOH(aq)→12K2SO4(aq)+H2O(l)\frac{1}{2}H_2SO_4\left(aq\right)+KOH\left(aq\right)\to\frac{1}{2}K_2SO_4\left(aq\right)+H_2O\left(l\right)

3. গ

   CH3COOH(aq)+NaOH(aq)→CH3COONA(aq)+H2O(l)CH_3COOH\left(aq\right)+NaOH\left(aq\right)\to CH_3COONA\left(aq\right)+H_2O\left(l\right)

4. ঘ

   H−COOH(aq)+NH4OH(aq)→H−COONH(aq)+H2O(l)H-COOH\left(aq\right)+NH_4OH\left(aq\right)\to H-COONH\left(aq\right)+H_2O\left(l\right)