♡ 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 👍 :1.9K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Proton is :- ...
➣ A vaccine can be ...
➣ The most abundant element by number in ...
➣ Human skin is ...
➣ The buoyancy depends on- ...
➣ Soap is prepared by caustic soda with: ...
➣ Washing of clothes and other articles is ...
➣ The layer of atmosphere used for radio ...
➣ 'Cryogenics' is a science dealing with- ...
➣ Amoebiasis in man is caused by ...
❖ Take a qick MCQ Test on
➤ Everyday Science
➤ Computer Awareness
➤ Scientific Instruments
➤ Environment Science
➤ Research Institutions
➤ Various Sciences
➤ Miscellaneous
➤ Inventions and Discoveries