HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Chemistry

Write the order of ionic character of halides with monovalent metal (M).

In 3d series, if nuclear charge increases, the shielding effects will ______.

Transition elements have more tendency to form interstitial compounds because _______.

The catalyst used for decomposition of KClO₃ is _______.

Write formula to calculate magnetic moment.

Which alloy is used in the Fischer-Tropsch process in the synthesis of gasoline?

Name the catalyst used in the hydrogenation of ethene to ethane.

Calculate magnetic moment of thorium (Z=90). Is this element diamagnetic or paramagnetic?

What are interstitial compounds?

Write any four properties of interstitial compounds.

What is a ferrous alloy?

What is a non-ferrous alloy?

Write any two uses of alloy.

Nanorods are the example of _____________

Name the catalyst used to manufacture H₂SO₄ by contact process.

Write any example of nanoparticles which is used in photocatalysis.

Complete and write the following table

Write a short note on the catalytic activity of nanoparticles.

Derive integrated rate law for a zero-order reaction \[\ce{A -> Product}\].

An ideal gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 bar from an initial volume of 2.50 dm³ to a final volume of 4.50 dm³. The change in internal energy (∆U) of the gas will be ______.