List of top Chemistry Questions asked in AP POLYCET

What is the name of the process where carbonate ores are converted to oxides by heating in limited air?
What is the process of forming a thick oxide layer on aluminium called?
What type of bond is formed when a metal transfers electrons to a non-metal?
What kind of bond exists in a molecule of nitrogen ($N_2$)?
Why are cooking vessels made up of metals like copper and aluminium?
Why are metals like potassium and sodium stored in kerosene oil?
Which of the following is not an alloy?
The number of electrons gained by non-metallic element is equal to its
What is the structural formula of simplest ketone?
Reactivity increasing order of the following metals will be
What do you observe on pouring potassium hydroxide on red and blue litmus papers?
The number of degenerate orbitals present in 4d subshell is
An element \(_{13}X^{27}\) forms ionic compound. What is the charge on \(X\) in ionic compound:
IV A group elements are called
Presence of 3 unpaired electrons in nitrogen can be explained by ____ principle.
Corrosion of silver results in the formation of
An element ‘X’ belongs to 2nd group and 3rd period. What is its valency?
1s2, 2s2, 2p6, 3s2, 3p6 (2,8,8) configuration is related to
If pH of rain water is less than ____ ,then it is called acid rain.
Electronic configuration of O-2 ion is
Which one of the following can be used as acid-base indicator to detect acidic or basic nature of solution?
Ethene and ethyne differ in the
During corrosion, a metal will
The maximum number of electrons in M shell is
Aliphatic hydrocarbons are