HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Important Questions for Chemistry

Name the solution which is formed by passing sulfur dioxide in water.

What is the oxidation state of sulphur in the following?

Sulphurous acid

What is oxidation state of sulphur in the following?

Sulphuric acid

What is oxidation state of sulphur in the following?

Peroxymonosulfuric acid

Write three uses of sulfuric acid.

What happens when chlorine reacts with?

Al

What happens when chlorine reacts with?

Na

What happens when chlorine reacts with?

S₈

What happens when chlorine reacts with?

P₄

Draw the structure of chloric acid.

Draw the structure of chlorous acid.

What is the action of selenium on magnesium metal?

Explain the trends in the following atomic properties of group 16 elements:

Atomic radii

Explain the trends in the following atomic properties of group 16 elements:

Ionisation enthalpy

Explain the trends in the following atomic properties of group 16 elements:

Electronegativity

Explain the trends in the following atomic properties of group 16 elements:

Electron gain enthalpy

Polonium has the half-Life of ______.

Write the structure of HClO₄.

Write the chemical composition of cryolite.

Draw the structure of the following compound:

Peroxy disulphuric acid