List of top Chemistry Questions asked in AP POLYCET

What happens when zinc is added to a solution of iron (II) sulfate?
What is the name of the process where carbonate ores are converted to oxides by heating in limited air?
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 metals like potassium and sodium stored in kerosene oil?
Why are cooking vessels made up of metals like copper and aluminium?
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
1s2, 2s2, 2p6, 3s2, 3p6 (2,8,8) configuration is related to
Ethene and ethyne differ in the
Electronic configuration of O-2 ion is
The maximum number of electrons in M shell is
Aliphatic hydrocarbons are
During corrosion, a metal will
Which of the following orbitals does not exist?
Replacing one hydrogen from NH3, by alkyl group will result in the formation of
Identify the dimethyl ether.