HSC Science (General) 11th Standard - Maharashtra State Board Question Bank Solutions

Where are silicones used?

Give the test that is used to detect borate radicals is qualitative analysis.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and used for inorganic qualitative analysis.

Name the compound produced.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and used for inorganic qualitative analysis.

Write the reaction that explains borax formation.

Ammonia is a good complexing agent. Explain.

Give the reactions supporting the basic nature of ammonia.

Select and write the most appropriate alternatives from the given choices.

Which of the following is true for 2 moles of an ideal gas?

Select and write the most appropriate alternatives from the given choices.

Interactive forces are __________ in an ideal gas.

Select and write the most appropriate alternatives from the given choices.

At constant temperature the pressure of 22.4 dm³ volume of an ideal gas was increased from 105 kPa to 210 kPa, New volume could be -

Differentiate between Real gas and Ideal gas.

Derive an Ideal gas equation. Mention the terms involved in it.

Write how ideal gas equation is utilised to obtain combined gas law.

Solve the following.

A 20 L container holds 0.650 mol of He gas at 37°C at a pressure of 628.3 bar. What will be new pressure inside the container if the volume is reduced to 12 L. The temperature is increased to 177°C and 1.25 mol of additional He gas was added to it?

Give the reactions supporting basic nature of ammonia.

Give the reactions supporting basic nature of ammonia.

Ammonia is a good complexing agent. Explain.

Give the test that is used to detect borate radical is qualitative analysis.

Ammonia is a good complexing agent. Explain.

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and is used for inorganic qualitative analysis.

Write the reaction that explains its formation.

Shravani was performing an inorganic qualitative analysis of a salt. To an aqueous solution of that salt, she added silver nitrate. When a white precipitate was formed. On adding ammonium hydroxide to this, she obtained a clear solution. Comment on her observations and write the chemical reactions involved.