Chemistry Important Questions for Maharashtra SSC/12th Board exam 2019
- Distinguish between crystalline solid and amorphous solid.
- What are Ellingham diagrams? Write the features of it.
- Write cell reactions in lead storage battery during discharge.
- What is calcination? Explain it with reactions.
- Define boiling point. Write the formula to determine molar mass of a solute using freezing point depression method.
- Draw neat and labelled diagram of dry cell.
- Explain graphical method to determine activation energy of a reaction.
- Explain impurity defect in stainless steel with diagram.
- What is Enthalpy of fusion and Enthalpy of atomization?
- Mention names and formulae of two ores of aluminum.
- What is ferromagnetism? Iron is strongly ferromagnetic. Explain.
- Write the Nernst equation and explain the terms involved.
- Calculate the mole fraction a4nd molality of HNO3 in a solution containing 12.2% HNO3.
- What is the action of excess of air on ammonia?
- Define osmosis.
- Explain the structure of Sulphur dioxide.
- Explain the relationship between Gibb’s standard energy change of the reaction and equilibrium constant.
- Define cell constant. Draw a neat and well labelled diagram of primary reference electrode.
- What is pseudo first order reaction? Give an example for the same.
- Write the reactions involved in large scale preparation of Nitric Acid.