List of top Questions asked in PGIMER- 2025

The chemical used as a fixer in photography is:
Water drops are spherical in shape because of:
Aspirin is chemically known as:
The oxide of nitrogen used in medicine as an anaesthetic is:
Which metal does not react with water to produce hydrogen gas?
The most electronegative element among the following is:
Atomic number of an element is equal to the:
The cathode of a lead storage battery is made up of:
Vinegar is the trade name of:
Which element behaves chemically both as a metal and as a non-metal (a metalloid)?
Nail polish remover contains:
Which option correctly defines the state of glass?
Which element never exhibits a positive oxidation state in any of its compounds?
Which material is suitable for water purification/softening?
The major constituent of biogas is:
Which of the following is present in emissions from unleaded petrol?
Which is used in preparing matchsticks?
In which case can components be separated using a separating funnel?
Choose the incorrect statement:
The purest common form of iron is:
The metal that does not give H2 gas on treatment with dilute HCl is:
The number of gram-molecules (moles) of oxygen present in 6.02 x 1024 molecules of CO is:
The most extensive, commercially useful source of thorium as monazite sand occurs in India at the:
The main active constituent of tea and coffee is:
The maximum number of isomers possible for an alkene with molecular formula C4H8 is: