Velammal Matriculation Higher Secondary School Interview Questions, Process, and Tips

Discus about Modern periodical table

Q1. Givè test for sulphate radical
Ans. 
Barium chloride test is used to detect sulphate radical.
• Add barium chloride solution to the sample

• White precipitate of barium sulphate indicates presence of sulphate radical

• Confirm by adding dilute hydrochloric acid, which will dissolve the precipitate
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Q2. What are inter halogen compound?
Ans. 
Inter halogen compounds are compounds formed by the combination of two different halogens.
• Inter halogen compounds are formed when two different halogens combine together.

• These compounds are typically more reactive than individual halogens.

• Examples include ClF3 (Chlorine trifluoride) and BrF5 (Bromine pentafluoride).
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Q3. What is an.element?
Ans. 
An element is a substance made up of atoms with the same number of protons in their nucleus.
• An element is a pure substance that cannot be broken down into simpler substances by chemical reactions.

• Each element is represented by a unique chemical symbol, such as H for hydrogen or O for oxygen.

• Elements are organized in the periodic table based on their atomic number and properties.

• There are currently 118 known elements, w...read more
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Q4. What is sigma bond?
Ans. 
A sigma bond is a type of covalent bond where the electron density is concentrated along the internuclear axis.
• Sigma bonds are formed by the head-on overlap of atomic orbitals.

• They are the strongest type of covalent bond.

• Sigma bonds can be found in single bonds between atoms.

• In a sigma bond, the electron density is highest along the axis connecting the two atomic nuclei.
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Q5. What is catenation?
Ans. 
Catenation is the ability of an element to form bonds with other atoms of the same element to form long chains or rings.
• Catenation is a unique property of carbon, allowing it to form long chains and rings in organic compounds.

• This property is also observed in other elements like silicon, sulfur, and phosphorus.

• Catenation plays a crucial role in the diversity and complexity of organic molecules.
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Q6. What is your favorite subject?
Ans. 
My favorite subject is Chemistry because of its practical applications, problem-solving nature, and the way it explains the world around us.
• I enjoy conducting experiments and observing chemical reactions.

• I find the process of balancing chemical equations and solving stoichiometry problems challenging and rewarding.

• I appreciate how Chemistry helps us understand the composition of matter and the interactions between diff
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Q1. What is your best?
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Q2. What is your qualifications?
Ans. 
I have a Master's degree in Chemistry and a teaching certification.
• Master's degree in Chemistry

• Teaching certification
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Q1. Personal Interview questions
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Q2. Fresher or experienced person?
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Q1. Demo in the academic subjects
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Q2. Questions related to the subject.
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