HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

What is the action of hydrochloric acid on the following NH₃?

What is the action of hydrochloric acid on Na₂CO₃?

What is the action of hydrochloric acid on the \[\ce{NH3}\]?

What is the action of hydrochloric acid on \[\ce{Na2CO3}\]?

What is the action of hydrochloric acid on NH₃?

What is the action of hydrochloric acid on Na₂CO₃?

What is the action of hydrochloric acid on NH₃?

What is the action of hydrochloric acid on Na₂CO₃?

What is the action of hydrochloric acid on \[\ce{NH3}\]?

What is the action of hydrochloric acid on \[\ce{Na2CO3}\]?

What is the action of hydrochloric acid on \[\ce{NH3}\]?

What is the action of hydrochloric acid on \[\ce{Na2CO3}\]?

How much electricity in terms of Faraday is required to produce 40.0 g of Al from molten Al₂O₃?

(Given: Molar mass of Aluminium is 27 g mol⁻¹.)

What is the action of hydrochloric acid on the following?

\[\ce{NH3}\]

What is the action of hydrochloric acid on the following? 

\[\ce{Na2CO3}\]

Explain a graphical method to determine activation energy of a reaction.

Silver crystallises in FCC structure. If density of silver is 10.51 gcm^-3, calculate the volume of unit cell. [Atomic mass of slive (Ag) = 108 gm^-1]

The vapour pressure of pure benzene is 640mm og Hg. 2.175×10^-3kg of non-vloatile solute is added to 39 gram of benzene the vapour pressure of solution is 600mm of HG. Calculate molar mass of solute.

[C = 12, H = 1]

What are Ellingham's diagrams? Write 2 features of it.

What are neutral oxides?