♡ Login
Home
Previous Papers
★
MCQs
General Science
Everyday Science
Brass get discoloured in air due to ...
Que.
Brass get discoloured in air due to constant exposure in presence of-
A.
Hydrogen sulphide
B.
Aluminium sulphide
C.
Aluminium Phosphide
D.
Hydrogenated wafers
Right Answer is :
✓ A. Hydrogen sulphide
⚑ Report
Views 👍 :586
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ When cathode rays strike a target of ...
➣ A solution of washing soda in water ...
➣ Parabolic mirrors are used in- ...
➣ Out of the following which is not ...
➣ Which is not an anesthetic agent in ...
➣ The instrument used to measure the speed ...
➣ The slope of a velocity-time graph represents- ...
➣ Longitudinal waves cannot travel through- ...
➣ Mass number= ...
➣ Purity of a metal can be determined ...
❖ Take a qick MCQ Test on
➤ Computer Awareness
➤ Inventions and Discoveries
➤ Environment Science
➤ Miscellaneous
➤ Everyday Science
➤ Research Institutions
➤ Various Sciences
➤ Scientific Instruments