♡ 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 👍 :671
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Ultra purification of a metal is done ...
➣ If all bullets could not be removed ...
➣ Which electromagnetic radiation is used for satellite ...
➣ Biopsy is done on ...
➣ Function of kidney is ...
➣ The chemical name of rat poison is- ...
➣ The particles of true solution---- ...
➣ The gas which helps in burning ...
➣ Newton's First law is also called as- ...
➣ What is the colour of light related ...
❖ Take a qick MCQ Test on
➤ Various Sciences
➤ Inventions and Discoveries
➤ Environment Science
➤ Everyday Science
➤ Research Institutions
➤ Miscellaneous
➤ Computer Awareness
➤ Scientific Instruments