List of top Chemistry Questions asked in TS POLYCET

The compound formed in the following reaction is
\(\text{CH}_3-\text{CH}_2-\text{OH} \xrightarrow[\text{Conc. H}_2\text{SO}_4]{170^\circ\text{C}} \text{?}\)
Plaster of Paris is___
Which of the following molecules has a triple bond?
Which of the following is not an ionic compound?
The bond angle in CH4 molecule is
Elements possessing atomic numbers, 3, 11, 19, 37 belong to__block.
Which one of the following is not formed when metal carbonate reacts with dilute acid?
Amorphous allotrope of carbon is
Germanium (Ge) is
The element discovered in the place of Eka-Aluminium is
Nature of non-metal oxides is generally
The electronegativity difference between the elements 'A' and 'B' is 3, then the bond formed in AB molecule is
Which one of the following molecules has higher bond angle?
In the process of calcination, the ore is heated in the___
Pyrolusite is a ore of
The element which belongs to 3rd period and 14th group in Modern periodic table is
One mole of Propane (C3H8) on combustion given 'x' kilo joules at STP. Heat liberated by the combustion of 11.2 litres of Propane at STP in kilo joules is
Maximum number of electrons present in an orbital of atom is
The orbital with more penetration power towards nucleus is
Identify an acidic flux among the following.
Which one of the following metal occurs in the native form?
The more reactive metal in the activity series is
Which of the following process is used for the purification of crude metal?
Which of the following is a non metal?
Which is the least electronegative element among the following?