A colourless gas with a pungent smell is evolved when dilute hydrochloric acid is added to a sample of a salt. The gas evolved could turn

Question 1 Report

A colourless gas with a pungent smell is evolved when dilute hydrochloric acid is added to a sample of a salt. The gas evolved could turn

acidified K

_{2}

Cr

_{2}

O

_{7}

solution colourless

acidified KMnO

_{4}

solution colourless

Fe(NO

_{3}

)

_{2}

solution green

Pb(NO

_{3}

)

_{2}

paper black

Periodic Chemistry (Ghana Only)

View Answer

Download The App On Google Playstore

Everything you need to excel in JAMB, WAEC & NECO

Green Bridge CBT Mobile App

Personalized AI Learning Chat Assistant

Thousands of JAMB, WAEC & NECO Past Questions

Over 1200 Lesson Notes

Offline Support - Learn Anytime, Anywhere

Green Bridge Timetable

Literature Summaries & Potential Questions

Track Your Performance & Progress

In-depth Explanations for Comprehensive Learning