♡ 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 👍 :3.2K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Ocean currents are an example of- ...
➣ Washing of clothes and other articles is ...
➣ The longest phase of cell cycle is: ...
➣ Impure camphor is purified by- ...
➣ Which of the following is used in ...
➣ Hard water and soft water can be ...
➣ The heaviest naturally occurring element is- ...
➣ Cells of a tissue have ...
➣ Energy can neither be created nor destroyed ...
➣ Calories means ...
❖ Take a qick MCQ Test on
➤ Computer Awareness
➤ Research Institutions
➤ Miscellaneous
➤ Various Sciences
➤ Inventions and Discoveries
➤ Everyday Science
➤ Environment Science
➤ Scientific Instruments