HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

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 ______.

The pH of 0.001 M HCl solution is ______.

Write the product formed when alkyl halide reacts with silver nitrite.

Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.

What is the action of selenium on magnesium metal?

Write the name of the alloy used in the Fischer Tropsch process in the synthesis of gasoline.