We can observe a black layer over commonly used silver jewelry. The black layer is formed due to formation of ____________.
Answer
Correct Answer : a ) Silver sulphide
Explanation :When Silver get exposed to air, it react with the hydrogen sulfide present in air. It form a black layer in the form of Silver sulphide(Ag2S). Silver sulphide is an insoluble solvent, it is used as photosensitizer in photography.
Ag (s) + H2S (g) → Ag2S (s) + H2 (g)
Hence (a) is the correct answer.
Such type of question is being asked in the exams like SSC CGL, SSC CHSL, RRB NTPC, UPSC CDS, etc.
Read Daily Current Affairs, Banking Awareness, Hindi Current Affairs, Word of the Day, Study Material for GK, Study Material for Quant and attempt free mock tests at PendulumEdu and boost your preparation for the actual exam.
Also, Attempt Daily Current Affairs Quizzes, Banking Awareness Quizzes and other exam related Quizzes.
Share QOTD
Popular Blog
Highlights of Interim Budget 2024
Read More
150+ Paryayvachi Shabd in Hindi - पर्यायवाची शब्द
Read More
Highlights of G20 Summit 2023
Read More
SSC CHSL Tier 1 Exam Analysis 2023 - Questions Asked from 2 to 22 August 2023
Read More
Comments