HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

Write a short note on peptide bond.

Write a short note on peptide bond.

Write the Zwitter ion structure of alanine.

Which one of the following reaction represents calcinations?

The metal oxide which cannot be reduced to metal by carbon is ____________.

Which one of the following is not feasible

Flux is a substance which is used to convert

Zinc is obtained from ZnO by ____________.

What are the various steps involved in the extraction of pure metals from their ores?

What is the role of Limestone in the extraction of iron from its oxide Fe₂O₃?

Explain the following term with a suitable example.

Gangue

Explain the following term with a suitable example.

Slag

Give the uses of sulphuric acid.

Give a reason to support that sulphuric acid is a dehydrating agent.

Complete the following reaction.

\[\ce{Cu + \underset{\text{(Hot conc)}}{H2SO4} ->}\]

Complete the following reaction.

\[\ce{Sb + Cl2 ->}\]

Which one of the following ions has the same number of unpaired electrons as present in V³⁺?

The magnetic moment of Mn²⁺ ion is ____________.

The catalytic behaviour of transition metals and their compounds is ascribed mainly due to ____________.

The correct order of increasing oxidizing power in the series