Chemistry 2nd Paper MCQ-Jessore Board-2019

1. Which one of the following is the concentration (ppm) of $25 \mathrm{~mL} 0.03 \mathrm{M}$ $\mathrm{Na}_{2} \mathrm{CO}_{3}$ solution?

2. How much amount $(\mathrm{g})$ of $\mathrm{KMnO}_{4}$ will be required for oxidizing $5.0 \mathrm{gm} \mathrm{Fe}$ ?

3. Kinetic energy of gas depends on -

i. temperature

ii. pressure \& volume

iii. nature of gas

Which one of the following is correct?

4. Which one of the following is used for differentiating among three kinds of amine?

5. Which one of the following compounds shows red precipitate of $\mathrm{Cu}_{2} \mathrm{O}$ with the reaction of Fehling solution?