♡ 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 👍 :2.5K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The antiseptic compound present in Dettol is- ...
➣ Wax used for making a candle is ...
➣ Steel is more elastic than rubber because ...
➣ The main constituent of Vinegar is ...
➣ Cloud is a colloidal dispersion of- ...
➣ The percentage of oxygen in air is ...
➣ When a bar magnet is cut into ...
➣ The spokes used in the wheel of ...
➣ Pasteurization of milk means- ...
➣ Bile is stored in human beings in ...
❖ Take a qick MCQ Test on
➤ Scientific Instruments
➤ Computer Awareness
➤ Various Sciences
➤ Environment Science
➤ Everyday Science
➤ Inventions and Discoveries
➤ Research Institutions
➤ Miscellaneous