List of top Chemistry Questions asked in TS POLYCET

Many mining methods pollute water and air as _____ leak into the surrounding ecosystem.
What is the chemical formula of Bleaching Powder?
The process of heating the sulphide ore strongly in excess of air is called _____.
Plaster of Paris is obtained by heating gypsum at:
The IUPAC name of \( CH_3-CH_2-CH_2-CH_3 \) is:
Cinnabar is an ore of:
The value of Planck's constant is
The orbital which contain the electron with the following set of four quantum numbers \[ n=2,\ l=0,\ m_l=0,\ m_s=-\frac{1}{2} \] is ____.
Which of the following is a balanced chemical equation?
Which substance is used for softening permanent hardness of water?
VSEPRT theory was proposed by
The hydrocarbons that contain _____ group are called ketones.
Successive compounds in the homologous series differ by a _____ group.
5--8% solution of acetic acid in water is called:
The quantum number which explains about shape of the orbital is:
44 gms of \( CO_2 \) contains how many molecules of \( CO_2 \)?
The electronic configuration of chlorine is
Unsaturated hydrocarbons generally undergo _____ reactions.
The process of burning carbon or carbon compounds in excess of oxygen is called _____.
General formula of Alkynes is _____.
Tooth enamel is made up of _____.
\(\pi\) bond is formed by _____.
The bond angle in ammonia molecule is ____.
Which one of the following elements is a noble gas?
Which one of the following periodic properties increases from left to right in periods?