Chemistry
The gas evolved when concentrated sulphuric acid reacts with zinc
- Sulphur dioxide
- Carbon dioxide
- Hydrogen sulphide
- Hydrogen
Related Questions
The IUPAC name of formaldehyde is:
- Ethanal
- Propyne
- Methanal
- Ethyne
The catalyst preferred in Haber's process is:
- Finely divided iron
- Graphite
- Vanadium pentoxide
- Platinum
Identify the correct setup in the following experiment.
Assertion (A): The process of electrolysis is a redox reaction.
Reason (R): Reduction occurs at anode and oxidation at cathode.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.