List of top Questions asked in TS POLYCET

Which of the following is a mild base?
Ionization energy generally:
Which one of the following molecules is an example of sp² hybridisation?
Which one of the following has smaller atomic radii?
The compounds formed when a hydrogen atom is replaced from NH₃ by an alkyl group is:
The predicted properties of eka-boron by Mendeleeff were almost same as of \_\_\_\_\_ which was discovered later.
The number of elements present in the fifth period of the modern periodic table:
The chemical bond formed by the overlapping of orbitals on the internuclear axis is:
The below reaction is an example of: \[ \text{CH}_3\text{C} \equiv \text{C}\text{CH}_3 \xrightarrow{\text{Ni catalyst, H}_2} \text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_3 \quad (\text{n-Butane}) \]
The product or products formed when sodium carbonate reacts with HCl is/are:
IUPAC name of CH\(_3\)CHO is:
The hybridisation of carbon in graphite is:
Which of the following is the hardest material?
Fats are esters of higher fatty acids and:
Identify the sulphide ore among the following:
The current in a wire depends on:
Which of the following methods is used for the concentration of ore?
The purification method used for blister copper is:
What is the nature of a solution whose pH value is 'zero'?
The law of octaves was proposed by:
The resistors 2\(\Omega\), 4\(\Omega\) and 6\(\Omega\) are connected in series. The equivalent resistance is:
Solenoid behaves like a when current passes through it.
Tesla is the SI unit of:
There is no accumulation of electric charges at any junction in an electric circuit. Which law states this?
Which of the following mirrors is used by a dentist to examine a patient's teeth?