HSC Science (Electronics) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Chemistry

Identify nuclear fusion reaction.

Choose the correct option.

The process by which nuclei having low masses are united to form nuclei with large masses is ______.

Explain in brief, nuclear fission.

The energy produced in nuclear fusion is much larger than that produced in nuclear fission. Why is it difficult to use fusion to produce energy?

Balance the nuclear reaction:

\[\ce{^118_54Xe -> ? + I^118_54}\]

Write one point that differentiates nuclear reactions from chemical reactions.

Write the fusion reactions occurring in the Sun and stars.

Calculate the energy in MeV released in the nuclear reaction \[\ce{^174_77Ir -> ^170_75Re + ^4_2He}\]

Atomic mass: Ir = 173.97 u, Re = 169.96 u and He 4.0026 u

Choose the correct option.

Haber’s process is used for preparation of _______

What are silicones?

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.