♡ 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 👍 :2.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The device used to convert solar energy ...
➣ ln which of the following form fossil ...
➣ In the nuclear reactors , moderators are ...
➣ Biopsy is done on ...
➣ Which one the following is not biodegradable ...
➣ Electron was discovered by ______________. ...
➣ KMnO4 can be used as a/an- ...
➣ The most abundant element in the human ...
➣ Commercial Vaseline is derived from- ...
➣ Heavy metal pollution of water is caused ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Computer Awareness
➤ Research Institutions
➤ Various Sciences
➤ Everyday Science
➤ Environment Science
➤ Inventions and Discoveries
➤ Scientific Instruments