♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ All basic antibody molecules consist of ...
➣ Which acid is used for making vinegar ...
➣ Who should get thses vaccines ...
➣ The example of organic acid:- ...
➣ Chemical substance present in bones and teeth ...
➣ In electro-refining, the pure metal depicted on- ...
➣ Ball Pen function on which one of ...
➣ The metal used for making aircrafts and ...
➣ Which of the following is used in ...
➣ Proton is :- ...
❖ Take a qick MCQ Test on
➤ Various Sciences
➤ Inventions and Discoveries
➤ Research Institutions
➤ Miscellaneous
➤ Everyday Science
➤ Environment Science
➤ Computer Awareness
➤ Scientific Instruments